53998554960 has 160 divisors (see below), whose sum is σ = 212565799680. Its totient is φ = 12342523392.

The previous prime is 53998554959. The next prime is 53998554989. The reversal of 53998554960 is 6945589935.

53998554960 is a `hidden beast` number, since 5 + 3 + 9 + 9 + 85 + 549 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1770547 + ... + 1800786.

It is an arithmetic number, because the mean of its divisors is an integer number (1328536248).

Almost surely, 2^53998554960 is an apocalyptic number.

It is an amenable number.

53998554960 is an abundant number, since it is smaller than the sum of its proper divisors (158567244720).

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

53998554960 is a wasteful number, since it uses less digits than its factorization.

53998554960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571362 (or 3571350 counting only the distinct ones).

The product of its (nonzero) digits is 52488000, while the sum is 63.

The spelling of 53998554960 in words is "fifty-three billion, nine hundred ninety-eight million, five hundred fifty-four thousand, nine hundred sixty".