56175638 has 4 divisors (see below), whose sum is σ = 84263460. Its totient is φ = 28087818.

The previous prime is 56175607. The next prime is 56175649. The reversal of 56175638 is 83657165.

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

It is a junction number, because it is equal to n+sod(n) for n = 56175595 and 56175604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14043908 + ... + 14043911.

It is an arithmetic number, because the mean of its divisors is an integer number (21065865).

Almost surely, 2^56175638 is an apocalyptic number.

56175638 is a deficient number, since it is larger than the sum of its proper divisors (28087822).

56175638 is a wasteful number, since it uses less digits than its factorization.

56175638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28087821.

The product of its digits is 151200, while the sum is 41.

The square root of 56175638 is about 7495.0408938177. The cubic root of 56175638 is about 382.9857993630.

The spelling of 56175638 in words is "fifty-six million, one hundred seventy-five thousand, six hundred thirty-eight".