1550

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 4 (3 unique) factors are:
2
5² = 25
31

Its 12 divisors are:
1
2
5
10
25
31
50
62
155
310
775
1550
Its aliquote sum is:
1426
makeing it a deficient number.

As Unicode codepoint (since version 4.0) this number represents this character:؎ ARABIC POETIC VERSE SIGN in Arabic (Source: https://ucdapi.org/unicode/latest/codepoint/dec/1550); HTML: ؎

The number appears at position 4389 of the decimal digits of π surrounded by
25012622859413021647155097925923099079654737 Source: The Pi-Search Page

Computations done with Math::BigInt 1.999811 and Math::Pari 2.030523 based on PARI/GP 2.11.3 (elapsed: 783.182ms; cpu: 77.8109999999987ms)