55565715 has 8 divisors (see below), whose sum is σ = 88905168. Its totient is φ = 29635040.

The previous prime is 55565689. The next prime is 55565737. The reversal of 55565715 is 51756555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55565715 - 2¹² = 55561619 is a prime.

It is a super-2 number, since 2×55565715² = 6175097366922450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1852176 + ... + 1852205.

It is an arithmetic number, because the mean of its divisors is an integer number (11113146).

Almost surely, 2^55565715 is an apocalyptic number.

55565715 is a deficient number, since it is larger than the sum of its proper divisors (33339453).

55565715 is a wasteful number, since it uses less digits than its factorization.

55565715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704389.

The product of its digits is 131250, while the sum is 39.

The square root of 55565715 is about 7454.2414100967. The cubic root of 55565715 is about 381.5946720883.

It can be divided in two parts, 55565 and 715, that added together give a triangular number (56280 = T₃₃₅).

The spelling of 55565715 in words is "fifty-five million, five hundred sixty-five thousand, seven hundred fifteen".