53157687276 has 24 divisors (see below), whose sum is σ = 124089332080. Its totient is φ = 17711410752.

The previous prime is 53157687269. The next prime is 53157687299. The reversal of 53157687276 is 67278675135.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948931 + ... + 1003386.

Almost surely, 2^53157687276 is an apocalyptic number.

It is an amenable number.

53157687276 is an abundant number, since it is smaller than the sum of its proper divisors (70931644804).

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

53157687276 is a wasteful number, since it uses less digits than its factorization.

53157687276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954593 (or 1954591 counting only the distinct ones).

The product of its digits is 14817600, while the sum is 57.

The spelling of 53157687276 in words is "fifty-three billion, one hundred fifty-seven million, six hundred eighty-seven thousand, two hundred seventy-six".