55567020171 has 32 divisors (see below), whose sum is σ = 84078247680. Its totient is φ = 32360515200.

The previous prime is 55567020167. The next prime is 55567020211. The reversal of 55567020171 is 17102076555.

It is not a de Polignac number, because 55567020171 - 2² = 55567020167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (55567020121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 657436 + ... + 737126.

It is an arithmetic number, because the mean of its divisors is an integer number (2627445240).

Almost surely, 2^55567020171 is an apocalyptic number.

55567020171 is a deficient number, since it is larger than the sum of its proper divisors (28511227509).

55567020171 is a wasteful number, since it uses less digits than its factorization.

55567020171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80667.

The product of its (nonzero) digits is 73500, while the sum is 39.

The spelling of 55567020171 in words is "fifty-five billion, five hundred sixty-seven million, twenty thousand, one hundred seventy-one".