56988933 has 4 divisors (see below), whose sum is σ = 75985248. Its totient is φ = 37992620.

The previous prime is 56988907. The next prime is 56988937. The reversal of 56988933 is 33988965.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56988933 - 2⁵ = 56988901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56988937) 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, 9498153 + ... + 9498158.

It is an arithmetic number, because the mean of its divisors is an integer number (18996312).

Almost surely, 2^56988933 is an apocalyptic number.

It is an amenable number.

56988933 is a deficient number, since it is larger than the sum of its proper divisors (18996315).

56988933 is a wasteful number, since it uses less digits than its factorization.

56988933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18996314.

The product of its digits is 1399680, while the sum is 51.

The square root of 56988933 is about 7549.1014697115. The cubic root of 56988933 is about 384.8252042863.

The spelling of 56988933 in words is "fifty-six million, nine hundred eighty-eight thousand, nine hundred thirty-three".