56993530 has 16 divisors (see below), whose sum is σ = 111914784. Its totient is φ = 20724880.

The previous prime is 56993513. The next prime is 56993551. The reversal of 56993530 is 3539965.

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, 258952 + ... + 259171.

It is an arithmetic number, because the mean of its divisors is an integer number (6994674).

Almost surely, 2^56993530 is an apocalyptic number.

56993530 is a deficient number, since it is larger than the sum of its proper divisors (54921254).

56993530 is a wasteful number, since it uses less digits than its factorization.

56993530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518141.

The product of its (nonzero) digits is 109350, while the sum is 40.

The square root of 56993530 is about 7549.4059368933. The cubic root of 56993530 is about 384.8355512888.

It can be divided in two parts, 569935 and 30, that added together give a palindrome (569965).

The spelling of 56993530 in words is "fifty-six million, nine hundred ninety-three thousand, five hundred thirty".