52133565 has 16 divisors (see below), whose sum is σ = 90997056. Its totient is φ = 25276800.

The previous prime is 52133519. The next prime is 52133573. The reversal of 52133565 is 56533125.

It is not a de Polignac number, because 52133565 - 2¹¹ = 52131517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157816 + ... + 158145.

It is an arithmetic number, because the mean of its divisors is an integer number (5687316).

Almost surely, 2^52133565 is an apocalyptic number.

52133565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52133565 is a deficient number, since it is larger than the sum of its proper divisors (38863491).

52133565 is a wasteful number, since it uses less digits than its factorization.

52133565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315980.

The product of its digits is 13500, while the sum is 30.

The square root of 52133565 is about 7220.3576781209. The cubic root of 52133565 is about 373.5704147996.

It can be divided in two parts, 5213 and 3565, that added together give a palindrome (8778).

The spelling of 52133565 in words is "fifty-two million, one hundred thirty-three thousand, five hundred sixty-five".