51632637 has 16 divisors (see below), whose sum is σ = 80509440. Its totient is φ = 28817712.

The previous prime is 51632627. The next prime is 51632641. The reversal of 51632637 is 73623615.

It is not a de Polignac number, because 51632637 - 2⁶ = 51632573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51632598 and 51632607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51632627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27687 + ... + 29492.

It is an arithmetic number, because the mean of its divisors is an integer number (5031840).

Almost surely, 2^51632637 is an apocalyptic number.

It is an amenable number.

51632637 is a deficient number, since it is larger than the sum of its proper divisors (28876803).

51632637 is a wasteful number, since it uses less digits than its factorization.

51632637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57232.

The product of its digits is 22680, while the sum is 33.

The square root of 51632637 is about 7185.5853623765. The cubic root of 51632637 is about 372.3700719483.

It can be divided in two parts, 516 and 32637, that added together give a triangular number (33153 = T₂₅₇).

The spelling of 51632637 in words is "fifty-one million, six hundred thirty-two thousand, six hundred thirty-seven".