56911723 has 8 divisors (see below), whose sum is σ = 62689536. Its totient is φ = 51234600.

The previous prime is 56911709. The next prime is 56911727. The reversal of 56911723 is 32711965.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56911723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56911727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23983 + ... + 26248.

It is an arithmetic number, because the mean of its divisors is an integer number (7836192).

Almost surely, 2^56911723 is an apocalyptic number.

56911723 is a deficient number, since it is larger than the sum of its proper divisors (5777813).

56911723 is a wasteful number, since it uses less digits than its factorization.

56911723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50345.

The product of its digits is 11340, while the sum is 34.

The square root of 56911723 is about 7543.9858828076. The cubic root of 56911723 is about 384.6513355431.

The spelling of 56911723 in words is "fifty-six million, nine hundred eleven thousand, seven hundred twenty-three".