54879149791 has 8 divisors (see below), whose sum is σ = 55217533680. Its totient is φ = 54541119552.

The previous prime is 54879149789. The next prime is 54879149837. The reversal of 54879149791 is 19794197845.

It is a happy number.

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 54879149791 - 2¹ = 54879149789 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 (54879141791) 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, 226341 + ... + 401233.

It is an arithmetic number, because the mean of its divisors is an integer number (6902191710).

Almost surely, 2^54879149791 is an apocalyptic number.

54879149791 is a deficient number, since it is larger than the sum of its proper divisors (338383889).

54879149791 is a wasteful number, since it uses less digits than its factorization.

54879149791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176825.

The product of its digits is 22861440, while the sum is 64.

The spelling of 54879149791 in words is "fifty-four billion, eight hundred seventy-nine million, one hundred forty-nine thousand, seven hundred ninety-one".