55791634732398 has 24 divisors (see below), whose sum is σ = 124781290585536. Its totient is φ = 17997301526400.

The previous prime is 55791634732349. The next prime is 55791634732417. The reversal of 55791634732398 is 89323743619755.

55791634732398 is a `hidden beast` number, since 5 + 5 + 7 + 9 + 1 + 63 + 473 + 2 + 3 + 98 = 666.

It is a super-2 number, since 2×55791634732398² (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 11 ways as a sum of consecutive naturals, for example, 49992503683 + ... + 49992504798.

It is an arithmetic number, because the mean of its divisors is an integer number (5199220441064).

Almost surely, 2^{55791634732398} is an apocalyptic number.

55791634732398 is an abundant number, since it is smaller than the sum of its proper divisors (68989655853138).

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

55791634732398 is a wasteful number, since it uses less digits than its factorization.

55791634732398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99985008520 (or 99985008517 counting only the distinct ones).

The product of its digits is 1028764800, while the sum is 72.

The spelling of 55791634732398 in words is "fifty-five trillion, seven hundred ninety-one billion, six hundred thirty-four million, seven hundred thirty-two thousand, three hundred ninety-eight".