55308330277580 has 48 divisors (see below), whose sum is σ = 116638985283744. Its totient is φ = 22029729684480.

The previous prime is 55308330277579. The next prime is 55308330277631. The reversal of 55308330277580 is 8577203380355.

It is a super-2 number, since 2×55308330277580² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59174159 + ... + 60101561.

It is an arithmetic number, because the mean of its divisors is an integer number (2429978860078).

Almost surely, 2^{55308330277580} is an apocalyptic number.

It is an amenable number.

55308330277580 is an abundant number, since it is smaller than the sum of its proper divisors (61330655006164).

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

55308330277580 is a wasteful number, since it uses less digits than its factorization.

55308330277580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940026 (or 940024 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 56.

The spelling of 55308330277580 in words is "fifty-five trillion, three hundred eight billion, three hundred thirty million, two hundred seventy-seven thousand, five hundred eighty".