53158563 has 12 divisors (see below), whose sum is σ = 77503608. Its totient is φ = 35107200.

The previous prime is 53158559. The next prime is 53158571. The reversal of 53158563 is 36585135.

It is not a de Polignac number, because 53158563 - 2² = 53158559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53158513) 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, 26638 + ... + 28563.

It is an arithmetic number, because the mean of its divisors is an integer number (6458634).

Almost surely, 2^53158563 is an apocalyptic number.

53158563 is a deficient number, since it is larger than the sum of its proper divisors (24345045).

53158563 is a wasteful number, since it uses less digits than its factorization.

53158563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55314 (or 55311 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 53158563 is about 7290.9919078271. The cubic root of 53158563 is about 376.0027986626.

The spelling of 53158563 in words is "fifty-three million, one hundred fifty-eight thousand, five hundred sixty-three".