52513663 has 16 divisors (see below), whose sum is σ = 58821120. Its totient is φ = 46590336.

The previous prime is 52513639. The next prime is 52513667. The reversal of 52513663 is 36631525.

It is not a de Polignac number, because 52513663 - 2⁹ = 52513151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52513667) 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, 118320 + ... + 118762.

It is an arithmetic number, because the mean of its divisors is an integer number (3676320).

Almost surely, 2^52513663 is an apocalyptic number.

52513663 is a deficient number, since it is larger than the sum of its proper divisors (6307457).

52513663 is a wasteful number, since it uses less digits than its factorization.

52513663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846.

The product of its digits is 16200, while the sum is 31.

The square root of 52513663 is about 7246.6311483337. The cubic root of 52513663 is about 374.4760992303.

The spelling of 52513663 in words is "fifty-two million, five hundred thirteen thousand, six hundred sixty-three".