55771688879075 has 12 divisors (see below), whose sum is σ = 74476655303568. Its totient is φ = 41185247172000.

The previous prime is 55771688879059. The next prime is 55771688879161. The reversal of 55771688879075 is 57097888617755.

It is not a de Polignac number, because 55771688879075 - 2⁴ = 55771688879059 is a prime.

It is a super-2 number, since 2×55771688879075² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55771688878984 and 55771688879002.

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, 85802597951 + ... + 85802598600.

It is an arithmetic number, because the mean of its divisors is an integer number (6206387941964).

Almost surely, 2^{55771688879075} is an apocalyptic number.

55771688879075 is a deficient number, since it is larger than the sum of its proper divisors (18704966424493).

55771688879075 is a wasteful number, since it uses less digits than its factorization.

55771688879075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171605196574 (or 171605196569 counting only the distinct ones).

The product of its (nonzero) digits is 8297856000, while the sum is 83.

The spelling of 55771688879075 in words is "fifty-five trillion, seven hundred seventy-one billion, six hundred eighty-eight million, eight hundred seventy-nine thousand, seventy-five".