54621882518 has 64 divisors (see below), whose sum is σ = 100908910080. Its totient is φ = 21656160000.

The previous prime is 54621882503. The next prime is 54621882559. The reversal of 54621882518 is 81528812645.

It is a congruent number.

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, 1947293 + ... + 1975143.

It is an arithmetic number, because the mean of its divisors is an integer number (1576701720).

Almost surely, 2^54621882518 is an apocalyptic number.

54621882518 is a deficient number, since it is larger than the sum of its proper divisors (46287027562).

54621882518 is a wasteful number, since it uses less digits than its factorization.

54621882518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28053.

The product of its digits is 1228800, while the sum is 50.

The spelling of 54621882518 in words is "fifty-four billion, six hundred twenty-one million, eight hundred eighty-two thousand, five hundred eighteen".