51563372 has 24 divisors (see below), whose sum is σ = 103389216. Its totient is φ = 22042368.

The previous prime is 51563339. The next prime is 51563377. The reversal of 51563372 is 27336515.

51563372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 7 ways as a sum of consecutive naturals, for example, 9998 + ... + 14250.

It is an arithmetic number, because the mean of its divisors is an integer number (4307884).

Almost surely, 2^51563372 is an apocalyptic number.

It is an amenable number.

51563372 is an abundant number, since it is smaller than the sum of its proper divisors (51825844).

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

51563372 is a wasteful number, since it uses less digits than its factorization.

51563372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4697 (or 4695 counting only the distinct ones).

The product of its digits is 18900, while the sum is 32.

The square root of 51563372 is about 7180.7640262022. The cubic root of 51563372 is about 372.2034863898.

Adding to 51563372 its reverse (27336515), we get a palindrome (78899887).

The spelling of 51563372 in words is "fifty-one million, five hundred sixty-three thousand, three hundred seventy-two".