53718518572320 has 96 divisors (see below), whose sum is σ = 193386666872448. Its totient is φ = 12278518530048.

The previous prime is 53718518572291. The next prime is 53718518572331. The reversal of 53718518572320 is 2327581581735.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7993823809 + ... + 7993830528.

It is an arithmetic number, because the mean of its divisors is an integer number (2014444446588).

Almost surely, 2^{53718518572320} is an apocalyptic number.

It is an amenable number.

53718518572320 is an abundant number, since it is smaller than the sum of its proper divisors (139668148300128).

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

53718518572320 is a wasteful number, since it uses less digits than its factorization.

53718518572320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15987654362 (or 15987654354 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 57.

The spelling of 53718518572320 in words is "fifty-three trillion, seven hundred eighteen billion, five hundred eighteen million, five hundred seventy-two thousand, three hundred twenty".