56210640 has 40 divisors (see below), whose sum is σ = 174253728. Its totient is φ = 14989440.

The previous prime is 56210639. The next prime is 56210663. The reversal of 56210640 is 4601265.

56210640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a self number, because there is not a number n which added to its sum of digits gives 56210640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116866 + ... + 117345.

Almost surely, 2^56210640 is an apocalyptic number.

It is an amenable number.

56210640 is an abundant number, since it is smaller than the sum of its proper divisors (118043088).

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

56210640 is a wasteful number, since it uses less digits than its factorization.

56210640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234227 (or 234221 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 56210640 is about 7497.3755408143. The cubic root of 56210640 is about 383.0653266350.

The spelling of 56210640 in words is "fifty-six million, two hundred ten thousand, six hundred forty".