56912871 has 8 divisors (see below), whose sum is σ = 76308480. Its totient is φ = 37729592.

The previous prime is 56912861. The next prime is 56912887. The reversal of 56912871 is 17821965.

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 56912871 - 2⁵ = 56912839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56912861) 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, 52455 + ... + 53528.

It is an arithmetic number, because the mean of its divisors is an integer number (9538560).

Almost surely, 2^56912871 is an apocalyptic number.

56912871 is a deficient number, since it is larger than the sum of its proper divisors (19395609).

56912871 is a wasteful number, since it uses less digits than its factorization.

56912871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106165.

The product of its digits is 30240, while the sum is 39.

The square root of 56912871 is about 7544.0619695228. The cubic root of 56912871 is about 384.6539218688.

The spelling of 56912871 in words is "fifty-six million, nine hundred twelve thousand, eight hundred seventy-one".