51932725 has 12 divisors (see below), whose sum is σ = 69350596. Its totient is φ = 38350080.

The previous prime is 51932717. The next prime is 51932729. The reversal of 51932725 is 52723915.

51932725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 21362884 + 30569841 = 4622^2 + 5529^2 .

It is not a de Polignac number, because 51932725 - 2³ = 51932717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51932729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79572 + ... + 80221.

Almost surely, 2^51932725 is an apocalyptic number.

It is an amenable number.

51932725 is a deficient number, since it is larger than the sum of its proper divisors (17417871).

51932725 is a wasteful number, since it uses less digits than its factorization.

51932725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159816 (or 159811 counting only the distinct ones).

The product of its digits is 18900, while the sum is 34.

The square root of 51932725 is about 7206.4363592555. The cubic root of 51932725 is about 373.0900816722.

The spelling of 51932725 in words is "fifty-one million, nine hundred thirty-two thousand, seven hundred twenty-five".