56807420 has 24 divisors (see below), whose sum is σ = 119750400. Its totient is φ = 22636352.

The previous prime is 56807417. The next prime is 56807449. The reversal of 56807420 is 2470865.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 101 + ... + 10659.

It is an arithmetic number, because the mean of its divisors is an integer number (4989600).

Almost surely, 2^56807420 is an apocalyptic number.

It is an amenable number.

56807420 is an abundant number, since it is smaller than the sum of its proper divisors (62942980).

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

56807420 is a wasteful number, since it uses less digits than its factorization.

56807420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10837 (or 10835 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 56807420 is about 7537.0697223789. The cubic root of 56807420 is about 384.4162063476.

The spelling of 56807420 in words is "fifty-six million, eight hundred seven thousand, four hundred twenty".