54515599208 has 64 divisors (see below), whose sum is σ = 119059459200. Its totient is φ = 22920019200.

The previous prime is 54515599199. The next prime is 54515599217. The reversal of 54515599208 is 80299551545.

It is an interprime number because it is at equal distance from previous prime (54515599199) and next prime (54515599217).

It is a self number, because there is not a number n which added to its sum of digits gives 54515599208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572291 + ... + 660717.

It is an arithmetic number, because the mean of its divisors is an integer number (1860304050).

Almost surely, 2^54515599208 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 54515599208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59529729600).

54515599208 is an abundant number, since it is smaller than the sum of its proper divisors (64543859992).

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

54515599208 is a wasteful number, since it uses less digits than its factorization.

54515599208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88650 (or 88646 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 53.

The spelling of 54515599208 in words is "fifty-four billion, five hundred fifteen million, five hundred ninety-nine thousand, two hundred eight".