55165747574 has 8 divisors (see below), whose sum is σ = 94569853008. Its totient is φ = 23642463240.

The previous prime is 55165747561. The next prime is 55165747579. The reversal of 55165747574 is 47574756155.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55165747579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1970205257 + ... + 1970205284.

It is an arithmetic number, because the mean of its divisors is an integer number (11821231626).

Almost surely, 2^55165747574 is an apocalyptic number.

55165747574 is a deficient number, since it is larger than the sum of its proper divisors (39404105434).

55165747574 is a wasteful number, since it uses less digits than its factorization.

55165747574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940410550.

The product of its digits is 20580000, while the sum is 56.

The spelling of 55165747574 in words is "fifty-five billion, one hundred sixty-five million, seven hundred forty-seven thousand, five hundred seventy-four".