53897138796 has 24 divisors (see below), whose sum is σ = 125788547584. Its totient is φ = 17961633360.

The previous prime is 53897138773. The next prime is 53897138851. The reversal of 53897138796 is 69783179835.

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, 454660 + ... + 560811.

Almost surely, 2^53897138796 is an apocalyptic number.

It is an amenable number.

53897138796 is an abundant number, since it is smaller than the sum of its proper divisors (71891408788).

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

53897138796 is a wasteful number, since it uses less digits than its factorization.

53897138796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019901 (or 1019899 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 66.

The spelling of 53897138796 in words is "fifty-three billion, eight hundred ninety-seven million, one hundred thirty-eight thousand, seven hundred ninety-six".