56944660 has 24 divisors (see below), whose sum is σ = 119737800. Its totient is φ = 22748544.

The previous prime is 56944649. The next prime is 56944663. The reversal of 56944660 is 6644965.

It can be written as a sum of positive squares in 4 ways, for example, as 4613904 + 52330756 = 2148^2 + 7234^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56944663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21066 + ... + 23614.

It is an arithmetic number, because the mean of its divisors is an integer number (4989075).

Almost surely, 2^56944660 is an apocalyptic number.

It is an amenable number.

56944660 is an abundant number, since it is smaller than the sum of its proper divisors (62793140).

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

56944660 is a wasteful number, since it uses less digits than its factorization.

56944660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675 (or 3673 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 56944660 is about 7546.1685642450. The cubic root of 56944660 is about 384.7255254000.

The spelling of 56944660 in words is "fifty-six million, nine hundred forty-four thousand, six hundred sixty".