55538818126677 has 40 divisors (see below), whose sum is σ = 86575482692160. Its totient is φ = 35414872954560.

The previous prime is 55538818126667. The next prime is 55538818126679. The reversal of 55538818126677 is 77662181883555.

55538818126677 is a `hidden beast` number, since 5 + 5 + 5 + 388 + 181 + 2 + 6 + 67 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-55538818126677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55538818126679) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 56973474 + ... + 57940092.

It is an arithmetic number, because the mean of its divisors is an integer number (2164387067304).

Almost surely, 2^{55538818126677} is an apocalyptic number.

It is an amenable number.

55538818126677 is a deficient number, since it is larger than the sum of its proper divisors (31036664565483).

55538818126677 is a wasteful number, since it uses less digits than its factorization.

55538818126677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997495 (or 997486 counting only the distinct ones).

The product of its digits is 677376000, while the sum is 72.

The spelling of 55538818126677 in words is "fifty-five trillion, five hundred thirty-eight billion, eight hundred eighteen million, one hundred twenty-six thousand, six hundred seventy-seven".