51576625 has 16 divisors (see below), whose sum is σ = 65744640. Its totient is φ = 40378800.

The previous prime is 51576619. The next prime is 51576661. The reversal of 51576625 is 52667515.

It is not a de Polignac number, because 51576625 - 2¹⁵ = 51543857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1486 + ... + 10264.

It is an arithmetic number, because the mean of its divisors is an integer number (4109040).

Almost surely, 2^51576625 is an apocalyptic number.

It is an amenable number.

51576625 is a deficient number, since it is larger than the sum of its proper divisors (14168015).

51576625 is an equidigital number, since it uses as much as digits as its factorization.

51576625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8841 (or 8831 counting only the distinct ones).

The product of its digits is 63000, while the sum is 37.

The square root of 51576625 is about 7181.6867795804. The cubic root of 51576625 is about 372.2353720097.

The spelling of 51576625 in words is "fifty-one million, five hundred seventy-six thousand, six hundred twenty-five".