51353003725 has 12 divisors (see below), whose sum is σ = 67423473684. Its totient is φ = 38665790720.

The previous prime is 51353003719. The next prime is 51353003761. The reversal of 51353003725 is 52730035315.

It can be written as a sum of positive squares in 6 ways, for example, as 3298664356 + 48054339369 = 57434^2 + 219213^2 .

It is a de Polignac number, because none of the positive numbers 2^k-51353003725 is a prime.

It is a Duffinian number.

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, 60414874 + ... + 60415723.

It is an arithmetic number, because the mean of its divisors is an integer number (5618622807).

Almost surely, 2^51353003725 is an apocalyptic number.

It is an amenable number.

51353003725 is a deficient number, since it is larger than the sum of its proper divisors (16070469959).

51353003725 is a wasteful number, since it uses less digits than its factorization.

51353003725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120830624 (or 120830619 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 34.

The spelling of 51353003725 in words is "fifty-one billion, three hundred fifty-three million, three thousand, seven hundred twenty-five".