54239387399 has 8 divisors (see below), whose sum is σ = 54293702400. Its totient is φ = 54185102136.

The previous prime is 54239387357. The next prime is 54239387413. The reversal of 54239387399 is 99378393245.

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

It is a cyclic number.

It is not a de Polignac number, because 54239387399 - 2³² = 49944420103 is a prime.

It is a super-2 number, since 2×54239387399² (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 (54239387309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5436914 + ... + 5446880.

It is an arithmetic number, because the mean of its divisors is an integer number (6786712800).

Almost surely, 2^54239387399 is an apocalyptic number.

54239387399 is a deficient number, since it is larger than the sum of its proper divisors (54315001).

54239387399 is a wasteful number, since it uses less digits than its factorization.

54239387399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14869.

The product of its digits is 44089920, while the sum is 62.

The spelling of 54239387399 in words is "fifty-four billion, two hundred thirty-nine million, three hundred eighty-seven thousand, three hundred ninety-nine".