53258136986 has 16 divisors (see below), whose sum is σ = 80940492864. Its totient is φ = 26279865984.

The previous prime is 53258136961. The next prime is 53258137003. The reversal of 53258136986 is 68963185235.

It is a Curzon number.

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, 416855 + ... + 529418.

It is an arithmetic number, because the mean of its divisors is an integer number (5058780804).

Almost surely, 2^53258136986 is an apocalyptic number.

53258136986 is a deficient number, since it is larger than the sum of its proper divisors (27682355878).

53258136986 is a wasteful number, since it uses less digits than its factorization.

53258136986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946645.

The product of its digits is 9331200, while the sum is 56.

The spelling of 53258136986 in words is "fifty-three billion, two hundred fifty-eight million, one hundred thirty-six thousand, nine hundred eighty-six".