51722046325 has 24 divisors (see below), whose sum is σ = 65730308616. Its totient is φ = 40349568000.

The previous prime is 51722046307. The next prime is 51722046371. The reversal of 51722046325 is 52364022715.

It can be written as a sum of positive squares in 12 ways, for example, as 51426447076 + 295599249 = 226774^2 + 17193^2 .

It is not a de Polignac number, because 51722046325 - 2⁷ = 51722046197 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 23 ways as a sum of consecutive naturals, for example, 2429929 + ... + 2451121.

It is an arithmetic number, because the mean of its divisors is an integer number (2738762859).

Almost surely, 2^51722046325 is an apocalyptic number.

It is an amenable number.

51722046325 is a deficient number, since it is larger than the sum of its proper divisors (14008262291).

51722046325 is a wasteful number, since it uses less digits than its factorization.

51722046325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23625 (or 23620 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 51722046325 in words is "fifty-one billion, seven hundred twenty-two million, forty-six thousand, three hundred twenty-five".