53323522560 has 1280 divisors, whose sum is σ = 242675896320. Its totient is φ = 10776084480.

The previous prime is 53323522541. The next prime is 53323522573. The reversal of 53323522560 is 6522532335.

53323522560 is a `hidden beast` number, since 53 + 3 + 2 + 352 + 256 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1280).

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

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, 228856204 + ... + 228856436.

It is an arithmetic number, because the mean of its divisors is an integer number (189590544).

Almost surely, 2^53323522560 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 53323522560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121337948160).

53323522560 is an abundant number, since it is smaller than the sum of its proper divisors (189352373760).

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

53323522560 is a wasteful number, since it uses less digits than its factorization.

53323522560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

The spelling of 53323522560 in words is "fifty-three billion, three hundred twenty-three million, five hundred twenty-two thousand, five hundred sixty".