51632625 has 32 divisors (see below), whose sum is σ = 93734784. Its totient is φ = 25032000.

The previous prime is 51632599. The next prime is 51632627. The reversal of 51632625 is 52623615.

It is not a de Polignac number, because 51632625 - 2⁵ = 51632593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51632592 and 51632601.

It is not an unprimeable number, because it can be changed into a prime (51632627) 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, 2134 + ... + 10383.

It is an arithmetic number, because the mean of its divisors is an integer number (2929212).

Almost surely, 2^51632625 is an apocalyptic number.

51632625 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51632625 is a deficient number, since it is larger than the sum of its proper divisors (42102159).

51632625 is a wasteful number, since it uses less digits than its factorization.

51632625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12546 (or 12536 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 51632625 is about 7185.5845273715. The cubic root of 51632625 is about 372.3700431007.

The spelling of 51632625 in words is "fifty-one million, six hundred thirty-two thousand, six hundred twenty-five".