56471975 has 24 divisors (see below), whose sum is σ = 80316288. Its totient is φ = 38584800.

The previous prime is 56471963. The next prime is 56471999. The reversal of 56471975 is 57917465.

It is not a de Polignac number, because 56471975 - 2⁴ = 56471959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81380 + ... + 82070.

It is an arithmetic number, because the mean of its divisors is an integer number (3346512).

Almost surely, 2^56471975 is an apocalyptic number.

56471975 is a deficient number, since it is larger than the sum of its proper divisors (23844313).

56471975 is a wasteful number, since it uses less digits than its factorization.

56471975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175 (or 1170 counting only the distinct ones).

The product of its digits is 264600, while the sum is 44.

The square root of 56471975 is about 7514.7837626907. The cubic root of 56471975 is about 383.6580592270.

The spelling of 56471975 in words is "fifty-six million, four hundred seventy-one thousand, nine hundred seventy-five".