52989099840 has 336 divisors, whose sum is σ = 186627138048. Its totient is φ = 13795909632.

The previous prime is 52989099809. The next prime is 52989099859. The reversal of 52989099840 is 4899098925.

52989099840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21653497 + ... + 21655943.

Almost surely, 2^52989099840 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 52989099840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93313569024).

52989099840 is an abundant number, since it is smaller than the sum of its proper divisors (133638038208).

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

52989099840 is a wasteful number, since it uses less digits than its factorization.

52989099840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646 (or 2633 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 63.

The spelling of 52989099840 in words is "fifty-two billion, nine hundred eighty-nine million, ninety-nine thousand, eight hundred forty".