54309681879 has 16 divisors (see below), whose sum is σ = 74917315200. Its totient is φ = 34954498656.

The previous prime is 54309681847. The next prime is 54309681893. The reversal of 54309681879 is 97818690345.

It is not a de Polignac number, because 54309681879 - 2⁵ = 54309681847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54309681079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1083792 + ... + 1132794.

It is an arithmetic number, because the mean of its divisors is an integer number (4682332200).

Almost surely, 2^54309681879 is an apocalyptic number.

54309681879 is a deficient number, since it is larger than the sum of its proper divisors (20607633321).

54309681879 is a wasteful number, since it uses less digits than its factorization.

54309681879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61774.

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 54309681879 in words is "fifty-four billion, three hundred nine million, six hundred eighty-one thousand, eight hundred seventy-nine".