53519920188 has 48 divisors (see below), whose sum is σ = 143574434304. Its totient is φ = 15199836480.

The previous prime is 53519920067. The next prime is 53519920199. The reversal of 53519920188 is 88102991535.

It is a self number, because there is not a number n which added to its sum of digits gives 53519920188.

It is a congruent number.

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, 1893583 + ... + 1921638.

It is an arithmetic number, because the mean of its divisors is an integer number (2991134048).

Almost surely, 2^53519920188 is an apocalyptic number.

It is an amenable number.

53519920188 is an abundant number, since it is smaller than the sum of its proper divisors (90054514116).

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

53519920188 is a wasteful number, since it uses less digits than its factorization.

53519920188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815402 (or 3815400 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 51.

The spelling of 53519920188 in words is "fifty-three billion, five hundred nineteen million, nine hundred twenty thousand, one hundred eighty-eight".