51757125 has 32 divisors (see below), whose sum is σ = 98432256. Its totient is φ = 23659200.

The previous prime is 51757103. The next prime is 51757127. The reversal of 51757125 is 52175715.

It is not a de Polignac number, because 51757125 - 2¹⁵ = 51724357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51757127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7234 + ... + 12483.

It is an arithmetic number, because the mean of its divisors is an integer number (3076008).

Almost surely, 2^51757125 is an apocalyptic number.

It is an amenable number.

51757125 is a deficient number, since it is larger than the sum of its proper divisors (46675131).

51757125 is a wasteful number, since it uses less digits than its factorization.

51757125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19742 (or 19732 counting only the distinct ones).

The product of its digits is 12250, while the sum is 33.

The square root of 51757125 is about 7194.2424896580. The cubic root of 51757125 is about 372.6690972875.

The spelling of 51757125 in words is "fifty-one million, seven hundred fifty-seven thousand, one hundred twenty-five".