52998561000 has 768 divisors, whose sum is σ = 230635192320. Its totient is φ = 10653120000.

The previous prime is 52998560981. The next prime is 52998561067. The reversal of 52998561000 is 16589925.

52998561000 is a `hidden beast` number, since 5 + 29 + 9 + 8 + 5 + 610 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 21481767 + ... + 21484233.

It is an arithmetic number, because the mean of its divisors is an integer number (300306240).

Almost surely, 2^52998561000 is an apocalyptic number.

52998561000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52998561000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115317596160).

52998561000 is an abundant number, since it is smaller than the sum of its proper divisors (177636631320).

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

52998561000 is a wasteful number, since it uses less digits than its factorization.

52998561000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543 (or 2526 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The spelling of 52998561000 in words is "fifty-two billion, nine hundred ninety-eight million, five hundred sixty-one thousand".