53577563 has 12 divisors (see below), whose sum is σ = 58764960. Its totient is φ = 48818016.

The previous prime is 53577551. The next prime is 53577577. The reversal of 53577563 is 36577535.

It is not a de Polignac number, because 53577563 - 2¹⁸ = 53315419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53577563.

It is not an unprimeable number, because it can be changed into a prime (53577593) 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, 11345 + ... + 15357.

It is an arithmetic number, because the mean of its divisors is an integer number (4897080).

Almost surely, 2^53577563 is an apocalyptic number.

53577563 is a deficient number, since it is larger than the sum of its proper divisors (5187397).

53577563 is a wasteful number, since it uses less digits than its factorization.

53577563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118 (or 4105 counting only the distinct ones).

The product of its digits is 330750, while the sum is 41.

The square root of 53577563 is about 7319.6695963684. The cubic root of 53577563 is about 376.9881090185.

The spelling of 53577563 in words is "fifty-three million, five hundred seventy-seven thousand, five hundred sixty-three".