56001156 has 24 divisors (see below), whose sum is σ = 130846464. Its totient is φ = 18641760.

The previous prime is 56001149. The next prime is 56001157. The reversal of 56001156 is 65110065.

It is a super-2 number, since 2×56001156² = 6272258946672672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56001157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7501 + ... + 12971.

It is an arithmetic number, because the mean of its divisors is an integer number (5451936).

Almost surely, 2^56001156 is an apocalyptic number.

It is an amenable number.

56001156 is an abundant number, since it is smaller than the sum of its proper divisors (74845308).

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

56001156 is a wasteful number, since it uses less digits than its factorization.

56001156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6331 (or 6329 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 56001156 is about 7483.3920116482. The cubic root of 56001156 is about 382.5888690940.

The spelling of 56001156 in words is "fifty-six million, one thousand, one hundred fifty-six".