53188470720 has 896 divisors, whose sum is σ = 241577164800. Its totient is φ = 10691481600.

The previous prime is 53188470691. The next prime is 53188470739. The reversal of 53188470720 is 2707488135.

53188470720 is a `hidden beast` number, since 5 + 31 + 88 + 470 + 72 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20622391 + ... + 20624969.

Almost surely, 2^53188470720 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 53188470720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120788582400).

53188470720 is an abundant number, since it is smaller than the sum of its proper divisors (188388694080).

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

53188470720 is a wasteful number, since it uses less digits than its factorization.

53188470720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654 (or 2638 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 53188470720 in words is "fifty-three billion, one hundred eighty-eight million, four hundred seventy thousand, seven hundred twenty".