51563356 has 12 divisors (see below), whose sum is σ = 97177192. Its totient is φ = 23798448.

The previous prime is 51563339. The next prime is 51563377. The reversal of 51563356 is 65336515.

51563356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495750 + ... + 495853.

Almost surely, 2^51563356 is an apocalyptic number.

It is an amenable number.

51563356 is a deficient number, since it is larger than the sum of its proper divisors (45613836).

51563356 is a wasteful number, since it uses less digits than its factorization.

51563356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991620 (or 991618 counting only the distinct ones).

The product of its digits is 40500, while the sum is 34.

The square root of 51563356 is about 7180.7629121146. The cubic root of 51563356 is about 372.2034478918.

The spelling of 51563356 in words is "fifty-one million, five hundred sixty-three thousand, three hundred fifty-six".