51453413525 has 12 divisors (see below), whose sum is σ = 63859798500. Its totient is φ = 41125591680.

The previous prime is 51453413507. The next prime is 51453413567. The reversal of 51453413525 is 52531435415.

It can be written as a sum of positive squares in 6 ways, for example, as 1410828721 + 50042584804 = 37561^2 + 223702^2 .

It is not a de Polignac number, because 51453413525 - 2⁸ = 51453413269 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 900200 + ... + 955649.

It is an arithmetic number, because the mean of its divisors is an integer number (5321649875).

Almost surely, 2^51453413525 is an apocalyptic number.

It is an amenable number.

51453413525 is a deficient number, since it is larger than the sum of its proper divisors (12406384975).

51453413525 is a wasteful number, since it uses less digits than its factorization.

51453413525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856968 (or 1856963 counting only the distinct ones).

The product of its digits is 180000, while the sum is 38.

The spelling of 51453413525 in words is "fifty-one billion, four hundred fifty-three million, four hundred thirteen thousand, five hundred twenty-five".