51632365 has 8 divisors (see below), whose sum is σ = 62219520. Its totient is φ = 41132112.

The previous prime is 51632351. The next prime is 51632387. The reversal of 51632365 is 56323615.

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

It is a cyclic number.

It is not a de Polignac number, because 51632365 - 2¹¹ = 51630317 is a prime.

It is a super-2 number, since 2×51632365² = 5331802230986450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20409 + ... + 22798.

It is an arithmetic number, because the mean of its divisors is an integer number (7777440).

Almost surely, 2^51632365 is an apocalyptic number.

It is an amenable number.

51632365 is a deficient number, since it is larger than the sum of its proper divisors (10587155).

51632365 is a wasteful number, since it uses less digits than its factorization.

51632365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43451.

The product of its digits is 16200, while the sum is 31.

The square root of 51632365 is about 7185.5664355707. The cubic root of 51632365 is about 372.3694180671.

The spelling of 51632365 in words is "fifty-one million, six hundred thirty-two thousand, three hundred sixty-five".