53243564 has 24 divisors (see below), whose sum is σ = 102661776. Its totient is φ = 23960000.

The previous prime is 53243537. The next prime is 53243573. The reversal of 53243564 is 46534235.

It is a self number, because there is not a number n which added to its sum of digits gives 53243564.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1547 + ... + 10434.

It is an arithmetic number, because the mean of its divisors is an integer number (4277574).

Almost surely, 2^53243564 is an apocalyptic number.

It is an amenable number.

53243564 is a deficient number, since it is larger than the sum of its proper divisors (49418212).

53243564 is a wasteful number, since it uses less digits than its factorization.

53243564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12097 (or 12095 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

The square root of 53243564 is about 7296.8187588839. The cubic root of 53243564 is about 376.2031025089.

Adding to 53243564 its reverse (46534235), we get a palindrome (99777799).

It can be divided in two parts, 5324 and 3564, that multiplied together give a 4-th power (18974736 = 66⁴).

The spelling of 53243564 in words is "fifty-three million, two hundred forty-three thousand, five hundred sixty-four".