51310634 has 8 divisors (see below), whose sum is σ = 77047200. Its totient is φ = 25628236.

The previous prime is 51310619. The next prime is 51310661. The reversal of 51310634 is 43601315.

It is a happy number.

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

It is a super-2 number, since 2×51310634² = 5265562322963912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11084 + ... + 15015.

It is an arithmetic number, because the mean of its divisors is an integer number (9630900).

Almost surely, 2^51310634 is an apocalyptic number.

51310634 is a deficient number, since it is larger than the sum of its proper divisors (25736566).

51310634 is a wasteful number, since it uses less digits than its factorization.

51310634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27084.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 51310634 is about 7163.1441420650. The cubic root of 51310634 is about 371.5943713293.

Adding to 51310634 its reverse (43601315), we get a palindrome (94911949).

The spelling of 51310634 in words is "fifty-one million, three hundred ten thousand, six hundred thirty-four".