51758325 has 24 divisors (see below), whose sum is σ = 95083200. Its totient is φ = 27604080.

The previous prime is 51758321. The next prime is 51758339. The reversal of 51758325 is 52385715.

51758325 is a `hidden beast` number, since 51 + 7 + 583 + 25 = 666.

It is not a de Polignac number, because 51758325 - 2² = 51758321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51758325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51758321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37665 + ... + 39014.

It is an arithmetic number, because the mean of its divisors is an integer number (3961800).

Almost surely, 2^51758325 is an apocalyptic number.

It is an amenable number.

51758325 is a deficient number, since it is larger than the sum of its proper divisors (43324875).

51758325 is a wasteful number, since it uses less digits than its factorization.

51758325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76698 (or 76687 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 51758325 is about 7194.3258891991. The cubic root of 51758325 is about 372.6719774028.

The spelling of 51758325 in words is "fifty-one million, seven hundred fifty-eight thousand, three hundred twenty-five".