53451415525 has 12 divisors (see below), whose sum is σ = 67821146272. Its totient is φ = 41766686640.

The previous prime is 53451415489. The next prime is 53451415529. The reversal of 53451415525 is 52551415435.

It is a de Polignac number, because none of the positive numbers 2^k-53451415525 is a prime.

It is a super-2 number, since 2×53451415525² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53451415529) 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, 24860049 + ... + 24862198.

Almost surely, 2^53451415525 is an apocalyptic number.

It is an amenable number.

53451415525 is a deficient number, since it is larger than the sum of its proper divisors (14369730747).

53451415525 is a wasteful number, since it uses less digits than its factorization.

53451415525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49722300 (or 49722295 counting only the distinct ones).

The product of its digits is 300000, while the sum is 40.

The spelling of 53451415525 in words is "fifty-three billion, four hundred fifty-one million, four hundred fifteen thousand, five hundred twenty-five".