56185959 has 4 divisors (see below), whose sum is σ = 74914616. Its totient is φ = 37457304.

The previous prime is 56185939. The next prime is 56185979. The reversal of 56185959 is 95958165.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (56185939) and next prime (56185979).

It is not a de Polignac number, because 56185959 - 2¹² = 56181863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56185939) 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, 9364324 + ... + 9364329.

It is an arithmetic number, because the mean of its divisors is an integer number (18728654).

Almost surely, 2^56185959 is an apocalyptic number.

56185959 is a deficient number, since it is larger than the sum of its proper divisors (18728657).

56185959 is a wasteful number, since it uses less digits than its factorization.

56185959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18728656.

The product of its digits is 486000, while the sum is 48.

The square root of 56185959 is about 7495.7293841227. The cubic root of 56185959 is about 383.0092529129.

The spelling of 56185959 in words is "fifty-six million, one hundred eighty-five thousand, nine hundred fifty-nine".