15255988 has 24 divisors (see below), whose sum is σ = 29915424. Its totient is φ = 6746400.

The previous prime is 15255971. The next prime is 15256009. The reversal of 15255988 is 88955251.

15255988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15255988² = 465490339712288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3058 + ... + 6313.

It is an arithmetic number, because the mean of its divisors is an integer number (1246476).

Almost surely, 2^15255988 is an apocalyptic number.

It is an amenable number.

15255988 is a deficient number, since it is larger than the sum of its proper divisors (14659436).

15255988 is a wasteful number, since it uses less digits than its factorization.

15255988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9423 (or 9421 counting only the distinct ones).

The product of its digits is 144000, while the sum is 43.

The square root of 15255988 is about 3905.8914475443. The cubic root of 15255988 is about 248.0162363633.

The spelling of 15255988 in words is "fifteen million, two hundred fifty-five thousand, nine hundred eighty-eight".