57355456 has 28 divisors (see below), whose sum is σ = 117490240. Its totient is φ = 27751680.

The previous prime is 57355453. The next prime is 57355457. The reversal of 57355456 is 65455375.

It is not an unprimeable number, because it can be changed into a prime (57355453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12471 + ... + 16438.

It is an arithmetic number, because the mean of its divisors is an integer number (4196080).

Almost surely, 2^57355456 is an apocalyptic number.

It is an amenable number.

57355456 is an abundant number, since it is smaller than the sum of its proper divisors (60134784).

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

57355456 is a wasteful number, since it uses less digits than its factorization.

57355456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28952 (or 28942 counting only the distinct ones).

The product of its digits is 315000, while the sum is 40.

The square root of 57355456 is about 7573.3384976508. The cubic root of 57355456 is about 385.6484400502.

The spelling of 57355456 in words is "fifty-seven million, three hundred fifty-five thousand, four hundred fifty-six".