55555715 has 16 divisors (see below), whose sum is σ = 70406400. Its totient is φ = 41967072.

The previous prime is 55555681. The next prime is 55555727. The reversal of 55555715 is 51755555.

It is a cyclic number.

It is not a de Polignac number, because 55555715 - 2⁶ = 55555651 is a prime.

It is a super-2 number, since 2×55555715² = 6172874938322450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35234 + ... + 36776.

It is an arithmetic number, because the mean of its divisors is an integer number (4400400).

Almost surely, 2^55555715 is an apocalyptic number.

55555715 is a deficient number, since it is larger than the sum of its proper divisors (14850685).

55555715 is a wasteful number, since it uses less digits than its factorization.

55555715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946.

The product of its digits is 109375, while the sum is 38.

The square root of 55555715 is about 7453.5706208501. The cubic root of 55555715 is about 381.5717792207.

The spelling of 55555715 in words is "fifty-five million, five hundred fifty-five thousand, seven hundred fifteen".