51715525 has 12 divisors (see below), whose sum is σ = 64620864. Its totient is φ = 41054000.

The previous prime is 51715487. The next prime is 51715553. The reversal of 51715525 is 52551715.

51715525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51715525 - 2¹³ = 51707333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 4621 + ... + 11170.

It is an arithmetic number, because the mean of its divisors is an integer number (5385072).

Almost surely, 2^51715525 is an apocalyptic number.

It is an amenable number.

51715525 is a deficient number, since it is larger than the sum of its proper divisors (12905339).

51715525 is a wasteful number, since it uses less digits than its factorization.

51715525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15932 (or 15927 counting only the distinct ones).

The product of its digits is 8750, while the sum is 31.

The square root of 51715525 is about 7191.3507076209. The cubic root of 51715525 is about 372.5692257571.

The spelling of 51715525 in words is "fifty-one million, seven hundred fifteen thousand, five hundred twenty-five".