55173313071 has 12 divisors (see below), whose sum is σ = 81198461448. Its totient is φ = 36088204464.

The previous prime is 55173313033. The next prime is 55173313087. The reversal of 55173313071 is 17031337155.

55173313071 is a `hidden beast` number, since 5 + 5 + 17 + 331 + 307 + 1 = 666.

It is not a de Polignac number, because 55173313071 - 2²⁷ = 55039095343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55173353071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57833185 + ... + 57834138.

It is an arithmetic number, because the mean of its divisors is an integer number (6766538454).

Almost surely, 2^55173313071 is an apocalyptic number.

55173313071 is a deficient number, since it is larger than the sum of its proper divisors (26025148377).

55173313071 is a wasteful number, since it uses less digits than its factorization.

55173313071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115667382 (or 115667379 counting only the distinct ones).

The product of its (nonzero) digits is 33075, while the sum is 36.

The spelling of 55173313071 in words is "fifty-five billion, one hundred seventy-three million, three hundred thirteen thousand, seventy-one".