53548961868 has 48 divisors (see below), whose sum is σ = 139147008000. Its totient is φ = 17808978384.

The previous prime is 53548961821. The next prime is 53548961899. The reversal of 53548961868 is 86816984535.

53548961868 is a `hidden beast` number, since 5 + 3 + 5 + 4 + 8 + 9 + 618 + 6 + 8 = 666.

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, 517308 + ... + 612131.

It is an arithmetic number, because the mean of its divisors is an integer number (2898896000).

Almost surely, 2^53548961868 is an apocalyptic number.

It is an amenable number.

53548961868 is an abundant number, since it is smaller than the sum of its proper divisors (85598046132).

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

53548961868 is a wasteful number, since it uses less digits than its factorization.

53548961868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129891 (or 1129883 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 63.

The spelling of 53548961868 in words is "fifty-three billion, five hundred forty-eight million, nine hundred sixty-one thousand, eight hundred sixty-eight".