51634 has 8 divisors (see below), whose sum is σ = 84528. Its totient is φ = 23460.

The previous prime is 51631. The next prime is 51637. The reversal of 51634 is 43615.

51634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51631) and next prime (51637).

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

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (51631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152 + ... + 1195.

It is an arithmetic number, because the mean of its divisors is an integer number (10566).

2⁵¹⁶³⁴ is an apocalyptic number.

51634 is a deficient number, since it is larger than the sum of its proper divisors (32894).

51634 is a wasteful number, since it uses less digits than its factorization.

51634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360.

The product of its digits is 360, while the sum is 19.

The square root of 51634 is about 227.2311598351. The cubic root of 51634 is about 37.2373348532.

Subtracting from 51634 its sum of digits (19), we obtain a palindrome (51615).

The spelling of 51634 in words is "fifty-one thousand, six hundred thirty-four".