51632636 has 36 divisors (see below), whose sum is σ = 100346904. Its totient is φ = 23226720.

The previous prime is 51632627. The next prime is 51632641. The reversal of 51632636 is 63623615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51290 + ... + 52286.

It is an arithmetic number, because the mean of its divisors is an integer number (2787414).

Almost surely, 2^51632636 is an apocalyptic number.

It is an amenable number.

51632636 is a deficient number, since it is larger than the sum of its proper divisors (48714268).

51632636 is a wasteful number, since it uses less digits than its factorization.

51632636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130 (or 1117 counting only the distinct ones).

The product of its digits is 19440, while the sum is 32.

The square root of 51632636 is about 7185.5852927928. The cubic root of 51632636 is about 372.3700695444.

The spelling of 51632636 in words is "fifty-one million, six hundred thirty-two thousand, six hundred thirty-six".