56923871 has 8 divisors (see below), whose sum is σ = 61902000. Its totient is φ = 52126848.

The previous prime is 56923817. The next prime is 56923879. The reversal of 56923871 is 17832965.

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 56923871 - 2¹⁸ = 56661727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56923879) 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, 44621 + ... + 45878.

It is an arithmetic number, because the mean of its divisors is an integer number (7737750).

Almost surely, 2^56923871 is an apocalyptic number.

56923871 is a deficient number, since it is larger than the sum of its proper divisors (4978129).

56923871 is a wasteful number, since it uses less digits than its factorization.

56923871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90553.

The product of its digits is 90720, while the sum is 41.

The square root of 56923871 is about 7544.7909845138. The cubic root of 56923871 is about 384.6787019727.

The spelling of 56923871 in words is "fifty-six million, nine hundred twenty-three thousand, eight hundred seventy-one".