56499072 has 64 divisors (see below), whose sum is σ = 171523200. Its totient is φ = 16141824.

The previous prime is 56499067. The next prime is 56499073. The reversal of 56499072 is 27099465.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×56499072² = 6384290273722368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56499073) 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, 7822 + ... + 13197.

It is an arithmetic number, because the mean of its divisors is an integer number (2680050).

Almost surely, 2^56499072 is an apocalyptic number.

It is an amenable number.

56499072 is an abundant number, since it is smaller than the sum of its proper divisors (115024128).

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

56499072 is a wasteful number, since it uses less digits than its factorization.

56499072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21043 (or 21031 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 56499072 is about 7516.5864592912. The cubic root of 56499072 is about 383.7194130820.

The spelling of 56499072 in words is "fifty-six million, four hundred ninety-nine thousand, seventy-two".