54591000500 has 48 divisors (see below), whose sum is σ = 119312902800. Its totient is φ = 21820620800.

The previous prime is 54591000479. The next prime is 54591000521. The reversal of 54591000500 is 500019545.

It is an interprime number because it is at equal distance from previous prime (54591000479) and next prime (54591000521).

It can be written as a sum of positive squares in 8 ways, for example, as 49980862096 + 4610138404 = 223564^2 + 67898^2 .

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 15 ways as a sum of consecutive naturals, for example, 665756 + ... + 743244.

It is an arithmetic number, because the mean of its divisors is an integer number (2485685475).

Almost surely, 2^54591000500 is an apocalyptic number.

54591000500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54591000500 is an abundant number, since it is smaller than the sum of its proper divisors (64721902300).

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

54591000500 is a wasteful number, since it uses less digits than its factorization.

54591000500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78917 (or 78905 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 54591000500 in words is "fifty-four billion, five hundred ninety-one million, five hundred", and thus it is an aban number.