51726805925 has 24 divisors (see below), whose sum is σ = 66708929760. Its totient is φ = 39756427200.

The previous prime is 51726805919. The next prime is 51726806009. The reversal of 51726805925 is 52950862715.

It is not a de Polignac number, because 51726805925 - 2⁴ = 51726805909 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328835 + ... + 459984.

It is an arithmetic number, because the mean of its divisors is an integer number (2779538740).

Almost surely, 2^51726805925 is an apocalyptic number.

It is an amenable number.

51726805925 is a deficient number, since it is larger than the sum of its proper divisors (14982123835).

51726805925 is a wasteful number, since it uses less digits than its factorization.

51726805925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788933 (or 788928 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 50.

The spelling of 51726805925 in words is "fifty-one billion, seven hundred twenty-six million, eight hundred five thousand, nine hundred twenty-five".