55522287579 has 32 divisors (see below), whose sum is σ = 83161923840. Its totient is φ = 32653756800.

The previous prime is 55522287563. The next prime is 55522287581. The reversal of 55522287579 is 97578222555.

It is not a de Polignac number, because 55522287579 - 2⁴ = 55522287563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55522282579) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 402769 + ... + 522749.

It is an arithmetic number, because the mean of its divisors is an integer number (2598810120).

Almost surely, 2^55522287579 is an apocalyptic number.

55522287579 is a deficient number, since it is larger than the sum of its proper divisors (27639636261).

55522287579 is a wasteful number, since it uses less digits than its factorization.

55522287579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120411.

The product of its digits is 17640000, while the sum is 57.

The spelling of 55522287579 in words is "fifty-five billion, five hundred twenty-two million, two hundred eighty-seven thousand, five hundred seventy-nine".