55372832645165 has 24 divisors (see below), whose sum is σ = 77309153336952. Its totient is φ = 37963458570240.

The previous prime is 55372832645107. The next prime is 55372832645209. The reversal of 55372832645165 is 56154623827355.

It can be written as a sum of positive squares in 4 ways, for example, as 12757448067049 + 42615384578116 = 3571757^2 + 6528046^2 .

It is not a de Polignac number, because 55372832645165 - 2¹² = 55372832641069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55372832645098 and 55372832645107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17859176 + ... + 20729105.

It is an arithmetic number, because the mean of its divisors is an integer number (3221214722373).

Almost surely, 2^{55372832645165} is an apocalyptic number.

It is an amenable number.

55372832645165 is a deficient number, since it is larger than the sum of its proper divisors (21936320691787).

55372832645165 is a wasteful number, since it uses less digits than its factorization.

55372832645165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38594157 (or 38594150 counting only the distinct ones).

The product of its digits is 181440000, while the sum is 62.

The spelling of 55372832645165 in words is "fifty-five trillion, three hundred seventy-two billion, eight hundred thirty-two million, six hundred forty-five thousand, one hundred sixty-five".