51563366 has 8 divisors (see below), whose sum is σ = 77677704. Its totient is φ = 25670800.

The previous prime is 51563339. The next prime is 51563377. The reversal of 51563366 is 66336515.

51563366 is nontrivially palindromic in base 13.

51563366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 54860 + ... + 55791.

It is an arithmetic number, because the mean of its divisors is an integer number (9709713).

Almost surely, 2^51563366 is an apocalyptic number.

51563366 is a deficient number, since it is larger than the sum of its proper divisors (26114338).

51563366 is a wasteful number, since it uses less digits than its factorization.

51563366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110886.

The product of its digits is 48600, while the sum is 35.

The square root of 51563366 is about 7180.7636084194. The cubic root of 51563366 is about 372.2034719530.

The spelling of 51563366 in words is "fifty-one million, five hundred sixty-three thousand, three hundred sixty-six".