53397882720 has 960 divisors, whose sum is σ = 244248238080. Its totient is φ = 10668920832.

The previous prime is 53397882677. The next prime is 53397882773. The reversal of 53397882720 is 2728879335.

53397882720 is a `hidden beast` number, since 533 + 9 + 7 + 8 + 82 + 7 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 22406649 + ... + 22409031.

It is an arithmetic number, because the mean of its divisors is an integer number (254425248).

Almost surely, 2^53397882720 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 53397882720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122124119040).

53397882720 is an abundant number, since it is smaller than the sum of its proper divisors (190850355360).

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

53397882720 is a wasteful number, since it uses less digits than its factorization.

53397882720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449 (or 2432 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 53397882720 in words is "fifty-three billion, three hundred ninety-seven million, eight hundred eighty-two thousand, seven hundred twenty".