56047966 has 8 divisors (see below), whose sum is σ = 90539064. Its totient is φ = 25868280.

The previous prime is 56047961. The next prime is 56047973. The reversal of 56047966 is 66974065.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56047961) 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, 1077820 + ... + 1077871.

It is an arithmetic number, because the mean of its divisors is an integer number (11317383).

Almost surely, 2^56047966 is an apocalyptic number.

56047966 is a deficient number, since it is larger than the sum of its proper divisors (34491098).

56047966 is a wasteful number, since it uses less digits than its factorization.

56047966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155706.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 56047966 is about 7486.5189507541. The cubic root of 56047966 is about 382.6954383071.

The spelling of 56047966 in words is "fifty-six million, forty-seven thousand, nine hundred sixty-six".