55167145672 has 32 divisors (see below), whose sum is σ = 113299673400. Its totient is φ = 25065800704.

The previous prime is 55167145667. The next prime is 55167145681. The reversal of 55167145672 is 27654176155.

It can be written as a sum of positive squares in 4 ways, for example, as 54993064036 + 174081636 = 234506^2 + 13194^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6989863 + ... + 6997750.

Almost surely, 2^55167145672 is an apocalyptic number.

It is an amenable number.

55167145672 is an abundant number, since it is smaller than the sum of its proper divisors (58132527728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55167145672 is a wasteful number, since it uses less digits than its factorization.

55167145672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13987665 (or 13987661 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 49.

The spelling of 55167145672 in words is "fifty-five billion, one hundred sixty-seven million, one hundred forty-five thousand, six hundred seventy-two".