56001256 has 8 divisors (see below), whose sum is σ = 105002370. Its totient is φ = 28000624.

The previous prime is 56001223. The next prime is 56001259. The reversal of 56001256 is 65210065.

It can be written as a sum of positive squares in only one way, i.e., 55741156 + 260100 = 7466^2 + 510^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×56001256² = 6272281347155072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56001256.

It is not an unprimeable number, because it can be changed into a prime (56001259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3500071 + ... + 3500086.

Almost surely, 2^56001256 is an apocalyptic number.

It is an amenable number.

56001256 is a deficient number, since it is larger than the sum of its proper divisors (49001114).

56001256 is a wasteful number, since it uses less digits than its factorization.

56001256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000163 (or 7000159 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 56001256 is about 7483.3986931073. The cubic root of 56001256 is about 382.5890968207.

The spelling of 56001256 in words is "fifty-six million, one thousand, two hundred fifty-six".