55161006056055 has 48 divisors (see below), whose sum is σ = 98545984377984. Its totient is φ = 28522224299520.

The previous prime is 55161006056047. The next prime is 55161006056069. The reversal of 55161006056055 is 55065060016155.

55161006056055 is a `hidden beast` number, since 5 + 5 + 16 + 10 + 0 + 60 + 560 + 5 + 5 = 666.

It is not a de Polignac number, because 55161006056055 - 2³ = 55161006056047 is a prime.

It is a super-2 number, since 2×55161006056055² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 55161006056055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58481839 + ... + 59417568.

It is an arithmetic number, because the mean of its divisors is an integer number (2053041341208).

Almost surely, 2^{55161006056055} is an apocalyptic number.

55161006056055 is a deficient number, since it is larger than the sum of its proper divisors (43384978321929).

55161006056055 is a wasteful number, since it uses less digits than its factorization.

55161006056055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117899736 (or 117899733 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 55161006056055 in words is "fifty-five trillion, one hundred sixty-one billion, six million, fifty-six thousand, fifty-five".