51632633 has 8 divisors (see below), whose sum is σ = 58531200. Its totient is φ = 45152208.

The previous prime is 51632627. The next prime is 51632641. The reversal of 51632633 is 33623615.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51632633 - 2¹⁰ = 51631609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51632596 and 51632605.

It is not an unprimeable number, because it can be changed into a prime (51632683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104273 + ... + 104766.

It is an arithmetic number, because the mean of its divisors is an integer number (7316400).

Almost surely, 2^51632633 is an apocalyptic number.

It is an amenable number.

51632633 is a deficient number, since it is larger than the sum of its proper divisors (6898567).

51632633 is a wasteful number, since it uses less digits than its factorization.

51632633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209071.

The product of its digits is 9720, while the sum is 29.

The square root of 51632633 is about 7185.5850840415. The cubic root of 51632633 is about 372.3700623324.

The spelling of 51632633 in words is "fifty-one million, six hundred thirty-two thousand, six hundred thirty-three".