54390272518 has 32 divisors (see below), whose sum is σ = 86612198400. Its totient is φ = 25544909376.

The previous prime is 54390272513. The next prime is 54390272539. The reversal of 54390272518 is 81527209345.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54390272513) 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 15 ways as a sum of consecutive naturals, for example, 2103255 + ... + 2128957.

It is an arithmetic number, because the mean of its divisors is an integer number (2706631200).

Almost surely, 2^54390272518 is an apocalyptic number.

54390272518 is a deficient number, since it is larger than the sum of its proper divisors (32221925882).

54390272518 is a wasteful number, since it uses less digits than its factorization.

54390272518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26196.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 54390272518 in words is "fifty-four billion, three hundred ninety million, two hundred seventy-two thousand, five hundred eighteen".