56993620 has 12 divisors (see below), whose sum is σ = 119686644. Its totient is φ = 22797440.

The previous prime is 56993569. The next prime is 56993627. The reversal of 56993620 is 2639965.

It can be written as a sum of positive squares in 2 ways, for example, as 19465744 + 37527876 = 4412^2 + 6126^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56993627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1424821 + ... + 1424860.

It is an arithmetic number, because the mean of its divisors is an integer number (9973887).

Almost surely, 2^56993620 is an apocalyptic number.

It is an amenable number.

56993620 is an abundant number, since it is smaller than the sum of its proper divisors (62693024).

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

56993620 is a wasteful number, since it uses less digits than its factorization.

56993620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849690 (or 2849688 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 56993620 is about 7549.4118976249. The cubic root of 56993620 is about 384.8357538567.

The spelling of 56993620 in words is "fifty-six million, nine hundred ninety-three thousand, six hundred twenty".