51590525 has 12 divisors (see below), whose sum is σ = 73111392. Its totient is φ = 35376240.

The previous prime is 51590521. The next prime is 51590531. The reversal of 51590525 is 52509515.

It is not a de Polignac number, because 51590525 - 2² = 51590521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51590491 and 51590500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51590521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147227 + ... + 147576.

It is an arithmetic number, because the mean of its divisors is an integer number (6092616).

Almost surely, 2^51590525 is an apocalyptic number.

It is an amenable number.

51590525 is a deficient number, since it is larger than the sum of its proper divisors (21520867).

51590525 is a wasteful number, since it uses less digits than its factorization.

51590525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294820 (or 294815 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 32.

The square root of 51590525 is about 7182.6544536125. The cubic root of 51590525 is about 372.2688083899.

The spelling of 51590525 in words is "fifty-one million, five hundred ninety thousand, five hundred twenty-five".