15055172 has 24 divisors (see below), whose sum is σ = 28873152. Its totient is φ = 6812000.

The previous prime is 15055129. The next prime is 15055177. The reversal of 15055172 is 27155051.

It is a happy number.

15055172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15055177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10922 + ... + 12222.

It is an arithmetic number, because the mean of its divisors is an integer number (1203048).

Almost surely, 2^15055172 is an apocalyptic number.

It is an amenable number.

15055172 is a deficient number, since it is larger than the sum of its proper divisors (13817980).

15055172 is a wasteful number, since it uses less digits than its factorization.

15055172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579 (or 1577 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 15055172 is about 3880.0994832607. The cubic root of 15055172 is about 246.9232060327.

The spelling of 15055172 in words is "fifteen million, fifty-five thousand, one hundred seventy-two".