55056722120 has 32 divisors (see below), whose sum is σ = 123884710200. Its totient is φ = 22021429248.

The previous prime is 55056722113. The next prime is 55056722131. The reversal of 55056722120 is 2122765055.

It can be written as a sum of positive squares in 4 ways, for example, as 39433222084 + 15623500036 = 198578^2 + 124994^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022102 + ... + 1074618.

Almost surely, 2^55056722120 is an apocalyptic number.

It is an amenable number.

55056722120 is an abundant number, since it is smaller than the sum of its proper divisors (68827988080).

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

55056722120 is a wasteful number, since it uses less digits than its factorization.

55056722120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78737 (or 78733 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 55056722120 in words is "fifty-five billion, fifty-six million, seven hundred twenty-two thousand, one hundred twenty".