53416563 has 12 divisors (see below), whose sum is σ = 73070088. Its totient is φ = 34689760.

The previous prime is 53416513. The next prime is 53416589. The reversal of 53416563 is 36561435.

It is not a de Polignac number, because 53416563 - 2¹⁰ = 53415539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53416513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80728 + ... + 81386.

It is an arithmetic number, because the mean of its divisors is an integer number (6089174).

Almost surely, 2^53416563 is an apocalyptic number.

53416563 is a deficient number, since it is larger than the sum of its proper divisors (19653525).

53416563 is an frugal number, since it uses more digits than its factorization.

53416563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362 (or 703 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 53416563 is about 7308.6635577238. The cubic root of 53416563 is about 376.6101150731.

Adding to 53416563 its reverse (36561435), we get a palindrome (89977998).

The spelling of 53416563 in words is "fifty-three million, four hundred sixteen thousand, five hundred sixty-three".