55001011060056 has 128 divisors (see below), whose sum is σ = 147624766660800. Its totient is φ = 17014296084480.

The previous prime is 55001011059979. The next prime is 55001011060069. The reversal of 55001011060056 is 65006011010055.

It is a super-2 number, since 2×55001011060056² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112010916 + ... + 112500876.

Almost surely, 2^{55001011060056} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55001011060056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73812383330400).

55001011060056 is an abundant number, since it is smaller than the sum of its proper divisors (92623755600744).

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

55001011060056 is a wasteful number, since it uses less digits than its factorization.

55001011060056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493829 (or 493825 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 55001011060056 in words is "fifty-five trillion, one billion, eleven million, sixty thousand, fifty-six".