54117882879 has 8 divisors (see below), whose sum is σ = 72174256560. Its totient is φ = 36070048896.

The previous prime is 54117882877. The next prime is 54117882911. The reversal of 54117882879 is 97828871145.

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

It is not a de Polignac number, because 54117882879 - 2¹ = 54117882877 is a prime.

It is a super-2 number, since 2×54117882879² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54117882877) 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, 2120122 + ... + 2145495.

It is an arithmetic number, because the mean of its divisors is an integer number (9021782070).

Almost surely, 2^54117882879 is an apocalyptic number.

54117882879 is a deficient number, since it is larger than the sum of its proper divisors (18056373681).

54117882879 is a wasteful number, since it uses less digits than its factorization.

54117882879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4269849.

The product of its digits is 9031680, while the sum is 60.

The spelling of 54117882879 in words is "fifty-four billion, one hundred seventeen million, eight hundred eighty-two thousand, eight hundred seventy-nine".