56571268 has 48 divisors (see below), whose sum is σ = 110638080. Its totient is φ = 25144704.

The previous prime is 56571241. The next prime is 56571271. The reversal of 56571268 is 86217565.

It is a self number, because there is not a number n which added to its sum of digits gives 56571268.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192930 + ... + 193222.

It is an arithmetic number, because the mean of its divisors is an integer number (2304960).

Almost surely, 2^56571268 is an apocalyptic number.

It is an amenable number.

56571268 is a deficient number, since it is larger than the sum of its proper divisors (54066812).

56571268 is a wasteful number, since it uses less digits than its factorization.

56571268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 434 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 56571268 is about 7521.3873720212. The cubic root of 56571268 is about 383.8827857668.

The spelling of 56571268 in words is "fifty-six million, five hundred seventy-one thousand, two hundred sixty-eight".