55223170767 has 64 divisors (see below), whose sum is σ = 83801502720. Its totient is φ = 35934192000.

The previous prime is 55223170747. The next prime is 55223170819. The reversal of 55223170767 is 76707132255.

55223170767 is a `hidden beast` number, since 552 + 2 + 31 + 7 + 0 + 7 + 67 = 666.

It is not a de Polignac number, because 55223170767 - 2¹⁴ = 55223154383 is a prime.

It is a super-2 number, since 2×55223170767² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55223170747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 118250668 + ... + 118251134.

It is an arithmetic number, because the mean of its divisors is an integer number (1309398480).

Almost surely, 2^55223170767 is an apocalyptic number.

55223170767 is a deficient number, since it is larger than the sum of its proper divisors (28578331953).

55223170767 is a wasteful number, since it uses less digits than its factorization.

55223170767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 45.

The spelling of 55223170767 in words is "fifty-five billion, two hundred twenty-three million, one hundred seventy thousand, seven hundred sixty-seven".