55310387922 has 32 divisors (see below), whose sum is σ = 126876879360. Its totient is φ = 17842060080.

The previous prime is 55310387917. The next prime is 55310387929. The reversal of 55310387922 is 22978301355.

55310387922 is a `hidden beast` number, since 553 + 1 + 0 + 3 + 8 + 7 + 92 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (55310387929) 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, 16518753 + ... + 16522100.

It is an arithmetic number, because the mean of its divisors is an integer number (3964902480).

Almost surely, 2^55310387922 is an apocalyptic number.

55310387922 is an abundant number, since it is smaller than the sum of its proper divisors (71566491438).

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

55310387922 is a wasteful number, since it uses less digits than its factorization.

55310387922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33040895 (or 33040889 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 55310387922 in words is "fifty-five billion, three hundred ten million, three hundred eighty-seven thousand, nine hundred twenty-two".