55192579085 has 12 divisors (see below), whose sum is σ = 77044335228. Its totient is φ = 37846339776.

The previous prime is 55192579067. The next prime is 55192579097. The reversal of 55192579085 is 58097529155.

It can be written as a sum of positive squares in 2 ways, for example, as 18999038569 + 36193540516 = 137837^2 + 190246^2 .

It is not a de Polignac number, because 55192579085 - 2⁶ = 55192579021 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 55192579085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112637672 + ... + 112638161.

It is an arithmetic number, because the mean of its divisors is an integer number (6420361269).

Almost surely, 2^55192579085 is an apocalyptic number.

It is an amenable number.

55192579085 is a deficient number, since it is larger than the sum of its proper divisors (21851756143).

55192579085 is a wasteful number, since it uses less digits than its factorization.

55192579085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225275852 (or 225275845 counting only the distinct ones).

The product of its (nonzero) digits is 5670000, while the sum is 56.

The spelling of 55192579085 in words is "fifty-five billion, one hundred ninety-two million, five hundred seventy-nine thousand, eighty-five".