53640876025 has 27 divisors (see below), whose sum is σ = 73128550159. Its totient is φ = 39002282000.

The previous prime is 53640876013. The next prime is 53640876073. The reversal of 53640876025 is 52067804635.

The square root of 53640876025 is 231605.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 19310715369 + 34330160656 = 138963^2 + 185284^2 .

It is not a de Polignac number, because 53640876025 - 2⁵ = 53640875993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12736170 + ... + 12740380.

Almost surely, 2^53640876025 is an apocalyptic number.

53640876025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53640876025 is the 231605-th square number.

53640876025 is the 115803-rd centered octagonal number.

It is an amenable number.

53640876025 is a deficient number, since it is larger than the sum of its proper divisors (19487674134).

53640876025 is an frugal number, since it uses more digits than its factorization.

53640876025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8454 (or 4227 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 53640876025 in words is "fifty-three billion, six hundred forty million, eight hundred seventy-six thousand, twenty-five".