56933971 has 4 divisors (see below), whose sum is σ = 57486832. Its totient is φ = 56381112.

The previous prime is 56933959. The next prime is 56933999. The reversal of 56933971 is 17933965.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56933971 - 2⁵ = 56933939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56933911) 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, 276276 + ... + 276481.

It is an arithmetic number, because the mean of its divisors is an integer number (14371708).

Almost surely, 2^56933971 is an apocalyptic number.

56933971 is a deficient number, since it is larger than the sum of its proper divisors (552861).

56933971 is a wasteful number, since it uses less digits than its factorization.

56933971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552860.

The product of its digits is 153090, while the sum is 43.

The square root of 56933971 is about 7545.4602907974. The cubic root of 56933971 is about 384.7014518025.

The spelling of 56933971 in words is "fifty-six million, nine hundred thirty-three thousand, nine hundred seventy-one".