56211072 has 32 divisors (see below), whose sum is σ = 149311680. Its totient is φ = 18736896.

The previous prime is 56211053. The next prime is 56211119. The reversal of 56211072 is 27011265.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 72808 + ... + 73575.

It is an arithmetic number, because the mean of its divisors is an integer number (4665990).

Almost surely, 2^56211072 is an apocalyptic number.

It is an amenable number.

56211072 is an abundant number, since it is smaller than the sum of its proper divisors (93100608).

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

56211072 is a wasteful number, since it uses less digits than its factorization.

56211072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146400 (or 146388 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 56211072 is about 7497.4043508404. The cubic root of 56211072 is about 383.0663079664.

The spelling of 56211072 in words is "fifty-six million, two hundred eleven thousand, seventy-two".