51634322 has 16 divisors (see below), whose sum is σ = 79017120. Its totient is φ = 25298208.

The previous prime is 51634307. The next prime is 51634327. The reversal of 51634322 is 22343615.

It is a super-2 number, since 2×51634322² = 5332206416799368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51634291 and 51634300.

It is not an unprimeable number, because it can be changed into a prime (51634327) by changing a digit.

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, 54638 + ... + 55574.

It is an arithmetic number, because the mean of its divisors is an integer number (4938570).

Almost surely, 2^51634322 is an apocalyptic number.

51634322 is a deficient number, since it is larger than the sum of its proper divisors (27382798).

51634322 is a wasteful number, since it uses less digits than its factorization.

51634322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465.

The product of its digits is 4320, while the sum is 26.

The square root of 51634322 is about 7185.7026100445. The cubic root of 51634322 is about 372.3741225953.

Adding to 51634322 its reverse (22343615), we get a palindrome (73977937).

The spelling of 51634322 in words is "fifty-one million, six hundred thirty-four thousand, three hundred twenty-two".