51563373 has 8 divisors (see below), whose sum is σ = 68794848. Its totient is φ = 34353744.

The previous prime is 51563339. The next prime is 51563377. The reversal of 51563373 is 37336515.

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

It is a de Polignac number, because none of the positive numbers 2^k-51563373 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51563377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215 + ... + 10227.

It is an arithmetic number, because the mean of its divisors is an integer number (8599356).

Almost surely, 2^51563373 is an apocalyptic number.

It is an amenable number.

51563373 is a deficient number, since it is larger than the sum of its proper divisors (17231475).

51563373 is a wasteful number, since it uses less digits than its factorization.

51563373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10923.

The product of its digits is 28350, while the sum is 33.

The square root of 51563373 is about 7180.7640958327. The cubic root of 51563373 is about 372.2034887959.

Adding to 51563373 its reverse (37336515), we get a palindrome (88899888).

The spelling of 51563373 in words is "fifty-one million, five hundred sixty-three thousand, three hundred seventy-three".