55579994115 has 32 divisors (see below), whose sum is σ = 89747355456. Its totient is φ = 29369733120.

The previous prime is 55579994087. The next prime is 55579994143. The reversal of 55579994115 is 51149997555.

It is an interprime number because it is at equal distance from previous prime (55579994087) and next prime (55579994143).

It is not a de Polignac number, because 55579994115 - 2⁵ = 55579994083 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7489887 + ... + 7497303.

It is an arithmetic number, because the mean of its divisors is an integer number (2804604858).

Almost surely, 2^55579994115 is an apocalyptic number.

55579994115 is a deficient number, since it is larger than the sum of its proper divisors (34167361341).

55579994115 is a wasteful number, since it uses less digits than its factorization.

55579994115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11959.

The product of its digits is 12757500, while the sum is 60.

The spelling of 55579994115 in words is "fifty-five billion, five hundred seventy-nine million, nine hundred ninety-four thousand, one hundred fifteen".