55202512422 has 32 divisors (see below), whose sum is σ = 113439682944. Its totient is φ = 17897774400.

The previous prime is 55202512397. The next prime is 55202512423. The reversal of 55202512422 is 22421520255.

It is a self number, because there is not a number n which added to its sum of digits gives 55202512422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55202512423) 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, 257548 + ... + 420399.

It is an arithmetic number, because the mean of its divisors is an integer number (3544990092).

Almost surely, 2^55202512422 is an apocalyptic number.

55202512422 is an abundant number, since it is smaller than the sum of its proper divisors (58237170522).

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

55202512422 is a wasteful number, since it uses less digits than its factorization.

55202512422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678324.

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 55202512422 in words is "fifty-five billion, two hundred two million, five hundred twelve thousand, four hundred twenty-two".