56479047 has 4 divisors (see below), whose sum is σ = 75305400. Its totient is φ = 37652696.

The previous prime is 56479043. The next prime is 56479061. The reversal of 56479047 is 74097465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56479047 - 2² = 56479043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56479043) 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, 9413172 + ... + 9413177.

It is an arithmetic number, because the mean of its divisors is an integer number (18826350).

Almost surely, 2^56479047 is an apocalyptic number.

56479047 is a deficient number, since it is larger than the sum of its proper divisors (18826353).

56479047 is a wasteful number, since it uses less digits than its factorization.

56479047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18826352.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 56479047 is about 7515.2542871150. The cubic root of 56479047 is about 383.6740737577.

The spelling of 56479047 in words is "fifty-six million, four hundred seventy-nine thousand, forty-seven".