54117360840 has 128 divisors (see below), whose sum is σ = 165713247360. Its totient is φ = 14133510144.

The previous prime is 54117360821. The next prime is 54117360877. The reversal of 54117360840 is 4806371145.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3662347 + ... + 3677093.

It is an arithmetic number, because the mean of its divisors is an integer number (1294634745).

Almost surely, 2^54117360840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54117360840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82856623680).

54117360840 is an abundant number, since it is smaller than the sum of its proper divisors (111595886520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54117360840 is a wasteful number, since it uses less digits than its factorization.

54117360840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15391 (or 15387 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 54117360840 in words is "fifty-four billion, one hundred seventeen million, three hundred sixty thousand, eight hundred forty".