56993556 has 12 divisors (see below), whose sum is σ = 132984992. Its totient is φ = 18997848.

The previous prime is 56993551. The next prime is 56993561. The reversal of 56993556 is 65539965.

56993556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56993551) and next prime (56993561).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56993551) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2374720 + ... + 2374743.

Almost surely, 2^56993556 is an apocalyptic number.

It is an amenable number.

56993556 is an abundant number, since it is smaller than the sum of its proper divisors (75991436).

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

56993556 is a wasteful number, since it uses less digits than its factorization.

56993556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749470 (or 4749468 counting only the distinct ones).

The product of its digits is 1093500, while the sum is 48.

The square root of 56993556 is about 7549.4076588829. The cubic root of 56993556 is about 384.8356098084.

The spelling of 56993556 in words is "fifty-six million, nine hundred ninety-three thousand, five hundred fifty-six".