54299649839 has 8 divisors (see below), whose sum is σ = 54517786752. Its totient is φ = 54081944280.

The previous prime is 54299649827. The next prime is 54299649863. The reversal of 54299649839 is 93894699245.

54299649839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54299649839 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 (54299649739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145622 + ... + 360284.

It is an arithmetic number, because the mean of its divisors is an integer number (6814723344).

Almost surely, 2^54299649839 is an apocalyptic number.

54299649839 is a deficient number, since it is larger than the sum of its proper divisors (218136913).

54299649839 is a wasteful number, since it uses less digits than its factorization.

54299649839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215677.

The product of its digits is 151165440, while the sum is 68.

The spelling of 54299649839 in words is "fifty-four billion, two hundred ninety-nine million, six hundred forty-nine thousand, eight hundred thirty-nine".