54313947399 has 4 divisors (see below), whose sum is σ = 72418596536. Its totient is φ = 36209298264.

The previous prime is 54313947367. The next prime is 54313947419. The reversal of 54313947399 is 99374931345.

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

It is not a de Polignac number, because 54313947399 - 2⁵ = 54313947367 is a prime.

It is a super-2 number, since 2×54313947399² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54313942399) 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, 9052324564 + ... + 9052324569.

It is an arithmetic number, because the mean of its divisors is an integer number (18104649134).

Almost surely, 2^54313947399 is an apocalyptic number.

54313947399 is a deficient number, since it is larger than the sum of its proper divisors (18104649137).

54313947399 is a wasteful number, since it uses less digits than its factorization.

54313947399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18104649136.

The product of its digits is 11022480, while the sum is 57.

The spelling of 54313947399 in words is "fifty-four billion, three hundred thirteen million, nine hundred forty-seven thousand, three hundred ninety-nine".