55870325899 has 4 divisors (see below), whose sum is σ = 55871446680. Its totient is φ = 55869205120.

The previous prime is 55870325867. The next prime is 55870325923. The reversal of 55870325899 is 99852307855.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55870325899 - 2⁵ = 55870325867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55870325299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481957 + ... + 586534.

It is an arithmetic number, because the mean of its divisors is an integer number (13967861670).

Almost surely, 2^55870325899 is an apocalyptic number.

55870325899 is a deficient number, since it is larger than the sum of its proper divisors (1120781).

55870325899 is a wasteful number, since it uses less digits than its factorization.

55870325899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120780.

The product of its (nonzero) digits is 27216000, while the sum is 61.

The spelling of 55870325899 in words is "fifty-five billion, eight hundred seventy million, three hundred twenty-five thousand, eight hundred ninety-nine".