51468625 has 32 divisors (see below), whose sum is σ = 72858240. Its totient is φ = 35985600.

The previous prime is 51468589. The next prime is 51468629. The reversal of 51468625 is 52686415.

It is not a de Polignac number, because 51468625 - 2⁷ = 51468497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51468629) 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 31 ways as a sum of consecutive naturals, for example, 30042 + ... + 31708.

It is an arithmetic number, because the mean of its divisors is an integer number (2276820).

Almost surely, 2^51468625 is an apocalyptic number.

It is an amenable number.

51468625 is a deficient number, since it is larger than the sum of its proper divisors (21389615).

51468625 is a wasteful number, since it uses less digits than its factorization.

51468625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714 (or 1704 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 51468625 is about 7174.1637143294. The cubic root of 51468625 is about 371.9753736540.

The spelling of 51468625 in words is "fifty-one million, four hundred sixty-eight thousand, six hundred twenty-five".