55055022492 has 48 divisors (see below), whose sum is σ = 131840739072. Its totient is φ = 17875186560.

The previous prime is 55055022487. The next prime is 55055022499. The reversal of 55055022492 is 29422055055.

55055022492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55055022492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055022499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318553 + ... + 459984.

It is an arithmetic number, because the mean of its divisors is an integer number (2746682064).

Almost surely, 2^55055022492 is an apocalyptic number.

It is an amenable number.

55055022492 is an abundant number, since it is smaller than the sum of its proper divisors (76785716580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55055022492 is a wasteful number, since it uses less digits than its factorization.

55055022492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778698 (or 778696 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 55055022492 in words is "fifty-five billion, fifty-five million, twenty-two thousand, four hundred ninety-two".