55181897432676 has 240 divisors, whose sum is σ = 177521033289600. Its totient is φ = 14587323374592.

The previous prime is 55181897432569. The next prime is 55181897432699. The reversal of 55181897432676 is 67623479818155.

55181897432676 is a `hidden beast` number, since 5 + 5 + 1 + 8 + 189 + 7 + 432 + 6 + 7 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9854131 + ... + 14403738.

It is an arithmetic number, because the mean of its divisors is an integer number (739670972040).

Almost surely, 2^{55181897432676} is an apocalyptic number.

It is an amenable number.

55181897432676 is an abundant number, since it is smaller than the sum of its proper divisors (122339135856924).

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

55181897432676 is a wasteful number, since it uses less digits than its factorization.

55181897432676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24257968 (or 24257957 counting only the distinct ones).

The product of its digits is 609638400, while the sum is 72.

The spelling of 55181897432676 in words is "fifty-five trillion, one hundred eighty-one billion, eight hundred ninety-seven million, four hundred thirty-two thousand, six hundred seventy-six".