55130830830 has 24 divisors (see below), whose sum is σ = 143340160392. Its totient is φ = 14701554864.

The previous prime is 55130830813. The next prime is 55130830861. The reversal of 55130830830 is 3803803155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306282304 + ... + 306282483.

It is an arithmetic number, because the mean of its divisors is an integer number (5972506683).

Almost surely, 2^55130830830 is an apocalyptic number.

55130830830 is an abundant number, since it is smaller than the sum of its proper divisors (88209329562).

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

55130830830 is a wasteful number, since it uses less digits than its factorization.

55130830830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612564800 (or 612564797 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 55130830830 in words is "fifty-five billion, one hundred thirty million, eight hundred thirty thousand, eight hundred thirty".