53640622080 has 312 divisors, whose sum is σ = 194030767008. Its totient is φ = 13681164288.

The previous prime is 53640622037. The next prime is 53640622097. The reversal of 53640622080 is 8022604635.

53640622080 is a `hidden beast` number, since 5 + 3 + 640 + 6 + 2 + 2 + 0 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4233034 + ... + 4245686.

It is an arithmetic number, because the mean of its divisors is an integer number (621893484).

Almost surely, 2^53640622080 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 53640622080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97015383504).

53640622080 is an abundant number, since it is smaller than the sum of its proper divisors (140390144928).

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

53640622080 is a wasteful number, since it uses less digits than its factorization.

53640622080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12711 (or 12686 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 53640622080 in words is "fifty-three billion, six hundred forty million, six hundred twenty-two thousand, eighty".