56913933 has 8 divisors (see below), whose sum is σ = 76130496. Its totient is φ = 37820000.

The previous prime is 56913869. The next prime is 56913971. The reversal of 56913933 is 33931965.

56913933 is nontrivially palindromic in base 13.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56913933 - 2⁶ = 56913869 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56913891 and 56913900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56913973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29568 + ... + 31433.

It is an arithmetic number, because the mean of its divisors is an integer number (9516312).

Almost surely, 2^56913933 is an apocalyptic number.

It is an amenable number.

56913933 is a deficient number, since it is larger than the sum of its proper divisors (19216563).

56913933 is a wasteful number, since it uses less digits than its factorization.

56913933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61315.

The product of its digits is 65610, while the sum is 39.

The square root of 56913933 is about 7544.1323556788. The cubic root of 56913933 is about 384.6563144145.

The spelling of 56913933 in words is "fifty-six million, nine hundred thirteen thousand, nine hundred thirty-three".