54861375897 has 12 divisors (see below), whose sum is σ = 82179180720. Its totient is φ = 36574250436.

The previous prime is 54861375871. The next prime is 54861375913. The reversal of 54861375897 is 79857316845.

54861375897 is a `hidden beast` number, since 5 + 4 + 8 + 613 + 7 + 5 + 8 + 9 + 7 = 666.

It is not a de Polignac number, because 54861375897 - 2⁸ = 54861375641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54861375857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112883247 + ... + 112883732.

It is an arithmetic number, because the mean of its divisors is an integer number (6848265060).

Almost surely, 2^54861375897 is an apocalyptic number.

It is an amenable number.

54861375897 is a deficient number, since it is larger than the sum of its proper divisors (27317804823).

54861375897 is an equidigital number, since it uses as much as digits as its factorization.

54861375897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225766994 (or 225766982 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 63.

The spelling of 54861375897 in words is "fifty-four billion, eight hundred sixty-one million, three hundred seventy-five thousand, eight hundred ninety-seven".