51969596924 has 24 divisors (see below), whose sum is σ = 104067401088. Its totient is φ = 22245211440.

The previous prime is 51969596923. The next prime is 51969596957. The reversal of 51969596924 is 42969596915.

51969596924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121594 + ... + 1167009.

It is an arithmetic number, because the mean of its divisors is an integer number (4336141712).

Almost surely, 2^51969596924 is an apocalyptic number.

It is an amenable number.

51969596924 is an abundant number, since it is smaller than the sum of its proper divisors (52097804164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51969596924 is a wasteful number, since it uses less digits than its factorization.

51969596924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289425 (or 2289423 counting only the distinct ones).

The product of its digits is 47239200, while the sum is 65.

Subtracting from 51969596924 its reverse (42969596915), we obtain a palindrome (9000000009).

The spelling of 51969596924 in words is "fifty-one billion, nine hundred sixty-nine million, five hundred ninety-six thousand, nine hundred twenty-four".