55622516865 has 32 divisors (see below), whose sum is σ = 89541676800. Its totient is φ = 29483790336.

The previous prime is 55622516843. The next prime is 55622516927. The reversal of 55622516865 is 56861522655.

It is not a de Polignac number, because 55622516865 - 2⁷ = 55622516737 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, 2834929 + ... + 2854481.

It is an arithmetic number, because the mean of its divisors is an integer number (2798177400).

Almost surely, 2^55622516865 is an apocalyptic number.

It is an amenable number.

55622516865 is a deficient number, since it is larger than the sum of its proper divisors (33919159935).

55622516865 is a wasteful number, since it uses less digits than its factorization.

55622516865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20713.

The product of its digits is 4320000, while the sum is 51.

The spelling of 55622516865 in words is "fifty-five billion, six hundred twenty-two million, five hundred sixteen thousand, eight hundred sixty-five".