52251563 has 16 divisors (see below), whose sum is σ = 65370816. Its totient is φ = 40659840.

The previous prime is 52251559. The next prime is 52251581. The reversal of 52251563 is 36515225.

It is a happy number.

It is not a de Polignac number, because 52251563 - 2² = 52251559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52251763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845 + ... + 10257.

It is an arithmetic number, because the mean of its divisors is an integer number (4085676).

Almost surely, 2^52251563 is an apocalyptic number.

52251563 is a deficient number, since it is larger than the sum of its proper divisors (13119253).

52251563 is a wasteful number, since it uses less digits than its factorization.

52251563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9494.

The product of its digits is 9000, while the sum is 29.

The square root of 52251563 is about 7228.5242615627. The cubic root of 52251563 is about 373.8520461988.

Adding to 52251563 its reverse (36515225), we get a palindrome (88766788).

The spelling of 52251563 in words is "fifty-two million, two hundred fifty-one thousand, five hundred sixty-three".