55431477165 has 8 divisors (see below), whose sum is σ = 88690363488. Its totient is φ = 29563454480.

The previous prime is 55431477151. The next prime is 55431477187. The reversal of 55431477165 is 56177413455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55431477165 - 2¹⁰ = 55431476141 is a prime.

It is a super-3 number, since 3×55431477165³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1847715891 + ... + 1847715920.

It is an arithmetic number, because the mean of its divisors is an integer number (11086295436).

Almost surely, 2^55431477165 is an apocalyptic number.

It is an amenable number.

55431477165 is a deficient number, since it is larger than the sum of its proper divisors (33258886323).

55431477165 is a wasteful number, since it uses less digits than its factorization.

55431477165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695431819.

The product of its digits is 1764000, while the sum is 48.

The spelling of 55431477165 in words is "fifty-five billion, four hundred thirty-one million, four hundred seventy-seven thousand, one hundred sixty-five".