55880355462912 has 108 divisors (see below), whose sum is σ = 165471350324280. Its totient is φ = 18123358500864.

The previous prime is 55880355462889. The next prime is 55880355462913. The reversal of 55880355462912 is 21926455308855.

It is a happy number.

55880355462912 is a `hidden beast` number, since 5 + 5 + 8 + 8 + 0 + 3 + 554 + 62 + 9 + 12 = 666.

It is a super-2 number, since 2×55880355462912² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55880355462912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55880355462913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 327666462 + ... + 327836957.

Almost surely, 2^{55880355462912} is an apocalyptic number.

It is an amenable number.

55880355462912 is an abundant number, since it is smaller than the sum of its proper divisors (109590994861368).

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

55880355462912 is a wasteful number, since it uses less digits than its factorization.

55880355462912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655503478 (or 655503461 counting only the distinct ones).

The product of its (nonzero) digits is 103680000, while the sum is 63.

The spelling of 55880355462912 in words is "fifty-five trillion, eight hundred eighty billion, three hundred fifty-five million, four hundred sixty-two thousand, nine hundred twelve".