55999999995 has 16 divisors (see below), whose sum is σ = 89634092832. Its totient is φ = 29855302400.

The previous prime is 55999999889. The next prime is 56000000011. The reversal of 55999999995 is 59999999955.

It is not a de Polignac number, because 55999999995 - 2¹⁵ = 55999967227 is a prime.

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, 669456 + ... + 748445.

It is an arithmetic number, because the mean of its divisors is an integer number (5602130802).

Almost surely, 2^55999999995 is an apocalyptic number.

55999999995 is a deficient number, since it is larger than the sum of its proper divisors (33634092837).

55999999995 is a wasteful number, since it uses less digits than its factorization.

55999999995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420542.

The product of its digits is 5380840125, while the sum is 87.

The spelling of 55999999995 in words is "fifty-five billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-five".