51634344 has 32 divisors (see below), whose sum is σ = 133251840. Its totient is φ = 16656000.

The previous prime is 51634339. The next prime is 51634391. The reversal of 51634344 is 44343615.

It is a super-2 number, since 2×51634344² = 5332210960620672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33957 + ... + 35444.

It is an arithmetic number, because the mean of its divisors is an integer number (4164120).

Almost surely, 2^51634344 is an apocalyptic number.

It is an amenable number.

51634344 is an abundant number, since it is smaller than the sum of its proper divisors (81617496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51634344 is a wasteful number, since it uses less digits than its factorization.

51634344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69441 (or 69437 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 51634344 is about 7185.7041408619. The cubic root of 51634344 is about 372.3741754815.

Adding to 51634344 its reverse (44343615), we get a palindrome (95977959).

The spelling of 51634344 in words is "fifty-one million, six hundred thirty-four thousand, three hundred forty-four".