255557896 has 16 divisors (see below), whose sum is σ = 522732240. Its totient is φ = 116162640.

The previous prime is 255557873. The next prime is 255557903. The reversal of 255557896 is 698755552.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451946 + ... + 1452121.

It is an arithmetic number, because the mean of its divisors is an integer number (32670765).

Almost surely, 2^255557896 is an apocalyptic number.

It is an amenable number.

255557896 is an abundant number, since it is smaller than the sum of its proper divisors (267174344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255557896 is a wasteful number, since it uses less digits than its factorization.

255557896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904084 (or 2904080 counting only the distinct ones).

The product of its digits is 3780000, while the sum is 52.

The square root of 255557896 is about 15986.1782800018. The cubic root of 255557896 is about 634.5946912372.

The spelling of 255557896 in words is "two hundred fifty-five million, five hundred fifty-seven thousand, eight hundred ninety-six".