55110550056 has 32 divisors (see below), whose sum is σ = 143766653760. Its totient is φ = 17571479552.

The previous prime is 55110550043. The next prime is 55110550069. The reversal of 55110550056 is 65005501155.

It is an interprime number because it is at equal distance from previous prime (55110550043) and next prime (55110550069).

It is a junction number, because it is equal to n+sod(n) for n = 55110549999 and 55110550026.

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, 49918425 + ... + 49919528.

It is an arithmetic number, because the mean of its divisors is an integer number (4492707930).

Almost surely, 2^55110550056 is an apocalyptic number.

It is an amenable number.

55110550056 is an abundant number, since it is smaller than the sum of its proper divisors (88656103704).

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

55110550056 is a wasteful number, since it uses less digits than its factorization.

55110550056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99837985 (or 99837981 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 55110550056 in words is "fifty-five billion, one hundred ten million, five hundred fifty thousand, fifty-six".