53172452568 has 16 divisors (see below), whose sum is σ = 132931131480. Its totient is φ = 17724150848.

The previous prime is 53172452539. The next prime is 53172452591. The reversal of 53172452568 is 86525427135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107759405 + ... + 1107759452.

Almost surely, 2^53172452568 is an apocalyptic number.

It is an amenable number.

53172452568 is an abundant number, since it is smaller than the sum of its proper divisors (79758678912).

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

53172452568 is a wasteful number, since it uses less digits than its factorization.

53172452568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215518866 (or 2215518862 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 48.

The spelling of 53172452568 in words is "fifty-three billion, one hundred seventy-two million, four hundred fifty-two thousand, five hundred sixty-eight".