56650420 has 24 divisors (see below), whose sum is σ = 119133000. Its totient is φ = 22628352.

The previous prime is 56650417. The next prime is 56650439. The reversal of 56650420 is 2405665.

It can be written as a sum of positive squares in 4 ways, for example, as 2862864 + 53787556 = 1692^2 + 7334^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17056 + ... + 20104.

It is an arithmetic number, because the mean of its divisors is an integer number (4963875).

Almost surely, 2^56650420 is an apocalyptic number.

It is an amenable number.

56650420 is an abundant number, since it is smaller than the sum of its proper divisors (62482580).

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

56650420 is a wasteful number, since it uses less digits than its factorization.

56650420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987 (or 3985 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 56650420 is about 7526.6473279941. The cubic root of 56650420 is about 384.0617395666.

The spelling of 56650420 in words is "fifty-six million, six hundred fifty thousand, four hundred twenty".