56856173 has 4 divisors (see below), whose sum is σ = 62024928. Its totient is φ = 51687420.

The previous prime is 56856167. The next prime is 56856179. The reversal of 56856173 is 37165865.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (56856167) and next prime (56856179).

It is a cyclic number.

It is not a de Polignac number, because 56856173 - 2⁸ = 56855917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56856173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56856179) 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, 2584361 + ... + 2584382.

It is an arithmetic number, because the mean of its divisors is an integer number (15506232).

Almost surely, 2^56856173 is an apocalyptic number.

It is an amenable number.

56856173 is a deficient number, since it is larger than the sum of its proper divisors (5168755).

56856173 is a wasteful number, since it uses less digits than its factorization.

56856173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5168754.

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

The square root of 56856173 is about 7540.3032432390. The cubic root of 56856173 is about 384.5261455331.

The spelling of 56856173 in words is "fifty-six million, eight hundred fifty-six thousand, one hundred seventy-three".