55948163640408 has 64 divisors (see below), whose sum is σ = 167366301496800. Its totient is φ = 17214819580800.

The previous prime is 55948163640323. The next prime is 55948163640431. The reversal of 55948163640408 is 80404636184955.

55948163640408 is a `hidden beast` number, since 5 + 5 + 9 + 4 + 8 + 163 + 64 + 0 + 408 = 666.

55948163640408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55948163640408² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9962277043 + ... + 9962282658.

Almost surely, 2^{55948163640408} is an apocalyptic number.

It is an amenable number.

55948163640408 is an abundant number, since it is smaller than the sum of its proper divisors (111418137856392).

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

55948163640408 is a wasteful number, since it uses less digits than its factorization.

55948163640408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19924559729 (or 19924559719 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 63.

The spelling of 55948163640408 in words is "fifty-five trillion, nine hundred forty-eight billion, one hundred sixty-three million, six hundred forty thousand, four hundred eight".