55222228956 has 24 divisors (see below), whose sum is σ = 128944009600. Its totient is φ = 18394246512.

The previous prime is 55222228921. The next prime is 55222228967. The reversal of 55222228956 is 65982222255.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1627906 + ... + 1661481.

Almost surely, 2^55222228956 is an apocalyptic number.

It is an amenable number.

55222228956 is an abundant number, since it is smaller than the sum of its proper divisors (73721780644).

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

55222228956 is a wasteful number, since it uses less digits than its factorization.

55222228956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290793 (or 3290791 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 48.

The spelling of 55222228956 in words is "fifty-five billion, two hundred twenty-two million, two hundred twenty-eight thousand, nine hundred fifty-six".