51969596925 has 24 divisors (see below), whose sum is σ = 85961720320. Its totient is φ = 27704649600.

The previous prime is 51969596923. The next prime is 51969596957. The reversal of 51969596925 is 52969596915.

It is not a de Polignac number, because 51969596925 - 2¹ = 51969596923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51969596923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13185 + ... + 322665.

Almost surely, 2^51969596925 is an apocalyptic number.

It is an amenable number.

51969596925 is a deficient number, since it is larger than the sum of its proper divisors (33992123395).

51969596925 is a wasteful number, since it uses less digits than its factorization.

51969596925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311733 (or 311728 counting only the distinct ones).

The product of its digits is 59049000, while the sum is 66.

The spelling of 51969596925 in words is "fifty-one billion, nine hundred sixty-nine million, five hundred ninety-six thousand, nine hundred twenty-five".