54179365591 has 4 divisors (see below), whose sum is σ = 58347009112. Its totient is φ = 50011722072.

The previous prime is 54179365567. The next prime is 54179365609. The reversal of 54179365591 is 19556397145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19556397145 = 5 ⋅3911279429.

It is not a de Polignac number, because 54179365591 - 2⁷ = 54179365463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54179365511) 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, 2083821741 + ... + 2083821766.

It is an arithmetic number, because the mean of its divisors is an integer number (14586752278).

Almost surely, 2^54179365591 is an apocalyptic number.

54179365591 is a deficient number, since it is larger than the sum of its proper divisors (4167643521).

54179365591 is a wasteful number, since it uses less digits than its factorization.

54179365591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167643520.

The product of its digits is 5103000, while the sum is 55.

The spelling of 54179365591 in words is "fifty-four billion, one hundred seventy-nine million, three hundred sixty-five thousand, five hundred ninety-one".