51563344 has 20 divisors (see below), whose sum is σ = 114176224. Its totient is φ = 22098528.

The previous prime is 51563339. The next prime is 51563377. The reversal of 51563344 is 44336515.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 230082 + ... + 230305.

Almost surely, 2^51563344 is an apocalyptic number.

It is an amenable number.

51563344 is an abundant number, since it is smaller than the sum of its proper divisors (62612880).

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

51563344 is a wasteful number, since it uses less digits than its factorization.

51563344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460402 (or 460396 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 51563344 is about 7180.7620765487. The cubic root of 51563344 is about 372.2034190183.

Adding to 51563344 its reverse (44336515), we get a palindrome (95899859).

The spelling of 51563344 in words is "fifty-one million, five hundred sixty-three thousand, three hundred forty-four".