54639345500 has 24 divisors (see below), whose sum is σ = 119332331664. Its totient is φ = 21855738000.

The previous prime is 54639345493. The next prime is 54639345511. The reversal of 54639345500 is 554393645.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54638846 + ... + 54639845.

It is an arithmetic number, because the mean of its divisors is an integer number (4972180486).

Almost surely, 2^54639345500 is an apocalyptic number.

54639345500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54639345500 is an abundant number, since it is smaller than the sum of its proper divisors (64692986164).

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

54639345500 is a wasteful number, since it uses less digits than its factorization.

54639345500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109278710 (or 109278698 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 44.

The spelling of 54639345500 in words is "fifty-four billion, six hundred thirty-nine million, three hundred forty-five thousand, five hundred".