51547525 has 12 divisors (see below), whose sum is σ = 64281600. Its totient is φ = 41004080.

The previous prime is 51547523. The next prime is 51547541. The reversal of 51547525 is 52574515.

It is not a de Polignac number, because 51547525 - 2¹ = 51547523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51547523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1285 + ... + 10234.

It is an arithmetic number, because the mean of its divisors is an integer number (5356800).

Almost surely, 2^51547525 is an apocalyptic number.

It is an amenable number.

51547525 is a deficient number, since it is larger than the sum of its proper divisors (12734075).

51547525 is a wasteful number, since it uses less digits than its factorization.

51547525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11708 (or 11703 counting only the distinct ones).

The product of its digits is 35000, while the sum is 34.

The square root of 51547525 is about 7179.6605072942. The cubic root of 51547525 is about 372.1653526476.

The spelling of 51547525 in words is "fifty-one million, five hundred forty-seven thousand, five hundred twenty-five".