54799979613 has 4 divisors (see below), whose sum is σ = 73066639488. Its totient is φ = 36533319740.

The previous prime is 54799979603. The next prime is 54799979617. The reversal of 54799979613 is 31697999745.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54799979613 - 2¹⁰ = 54799978589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54799979617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9133329933 + ... + 9133329938.

It is an arithmetic number, because the mean of its divisors is an integer number (18266659872).

Almost surely, 2^54799979613 is an apocalyptic number.

It is an amenable number.

54799979613 is a deficient number, since it is larger than the sum of its proper divisors (18266659875).

54799979613 is a wasteful number, since it uses less digits than its factorization.

54799979613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18266659874.

The product of its digits is 115736040, while the sum is 69.

The spelling of 54799979613 in words is "fifty-four billion, seven hundred ninety-nine million, nine hundred seventy-nine thousand, six hundred thirteen".