53818560144 has 60 divisors (see below), whose sum is σ = 150686355456. Its totient is φ = 17931285696.

The previous prime is 53818560083. The next prime is 53818560157. The reversal of 53818560144 is 44106581835.

53818560144 is a `hidden beast` number, since 5 + 3 + 81 + 8 + 560 + 1 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 53818560144.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233137 + ... + 402479.

Almost surely, 2^53818560144 is an apocalyptic number.

It is an amenable number.

53818560144 is an abundant number, since it is smaller than the sum of its proper divisors (96867795312).

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

53818560144 is a wasteful number, since it uses less digits than its factorization.

53818560144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171564 (or 171555 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 53818560144 in words is "fifty-three billion, eight hundred eighteen million, five hundred sixty thousand, one hundred forty-four".