56633964 has 24 divisors (see below), whose sum is σ = 132328560. Its totient is φ = 18851904.

The previous prime is 56633963. The next prime is 56634001. The reversal of 56633964 is 46933665.

It is not an unprimeable number, because it can be changed into a prime (56633963) 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, 7102 + ... + 12794.

It is an arithmetic number, because the mean of its divisors is an integer number (5513690).

Almost surely, 2^56633964 is an apocalyptic number.

It is an amenable number.

56633964 is an abundant number, since it is smaller than the sum of its proper divisors (75694596).

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

56633964 is a wasteful number, since it uses less digits than its factorization.

56633964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6529 (or 6527 counting only the distinct ones).

The product of its digits is 349920, while the sum is 42.

The square root of 56633964 is about 7525.5540659808. The cubic root of 56633964 is about 384.0245481268.

The spelling of 56633964 in words is "fifty-six million, six hundred thirty-three thousand, nine hundred sixty-four".