55879507599 has 16 divisors (see below), whose sum is σ = 74795011200. Its totient is φ = 37108623776.

The previous prime is 55879507589. The next prime is 55879507627. The reversal of 55879507599 is 99570597855.

It is a cyclic number.

It is not a de Polignac number, because 55879507599 - 2¹¹ = 55879505551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55879507589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2042392 + ... + 2069570.

It is an arithmetic number, because the mean of its divisors is an integer number (4674688200).

Almost surely, 2^55879507599 is an apocalyptic number.

55879507599 is a deficient number, since it is larger than the sum of its proper divisors (18915503601).

55879507599 is a wasteful number, since it uses less digits than its factorization.

55879507599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29814.

The product of its (nonzero) digits is 178605000, while the sum is 69.

The spelling of 55879507599 in words is "fifty-five billion, eight hundred seventy-nine million, five hundred seven thousand, five hundred ninety-nine".