54113573519 has 4 divisors (see below), whose sum is σ = 54155950344. Its totient is φ = 54071196696.

The previous prime is 54113573509. The next prime is 54113573533. The reversal of 54113573519 is 91537531145.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54113573519 - 2⁸ = 54113573263 is a prime.

It is a super-2 number, since 2×54113573519² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54113573519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54113573509) 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, 21186497 + ... + 21189050.

It is an arithmetic number, because the mean of its divisors is an integer number (13538987586).

Almost surely, 2^54113573519 is an apocalyptic number.

54113573519 is a deficient number, since it is larger than the sum of its proper divisors (42376825).

54113573519 is a wasteful number, since it uses less digits than its factorization.

54113573519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42376824.

The product of its digits is 283500, while the sum is 44.

The spelling of 54113573519 in words is "fifty-four billion, one hundred thirteen million, five hundred seventy-three thousand, five hundred nineteen".