56490700 has 36 divisors (see below), whose sum is σ = 140098672. Its totient is φ = 19368000.

The previous prime is 56490683. The next prime is 56490719. The reversal of 56490700 is 709465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39651 + ... + 41050.

Almost surely, 2^56490700 is an apocalyptic number.

56490700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56490700 is an abundant number, since it is smaller than the sum of its proper divisors (83607972).

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

56490700 is a wasteful number, since it uses less digits than its factorization.

56490700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80722 (or 80715 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 56490700 is about 7516.0295369297. The cubic root of 56490700 is about 383.7004590384.

The spelling of 56490700 in words is "fifty-six million, four hundred ninety thousand, seven hundred".