52564765 has 24 divisors (see below), whose sum is σ = 73120032. Its totient is φ = 35969280.

The previous prime is 52564741. The next prime is 52564769. The reversal of 52564765 is 56746525.

It is not a de Polignac number, because 52564765 - 2¹³ = 52556573 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 (52564769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14242 + ... + 17548.

It is an arithmetic number, because the mean of its divisors is an integer number (3046668).

Almost surely, 2^52564765 is an apocalyptic number.

52564765 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52564765 is a deficient number, since it is larger than the sum of its proper divisors (20555267).

52564765 is a wasteful number, since it uses less digits than its factorization.

52564765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357 (or 3340 counting only the distinct ones).

The product of its digits is 252000, while the sum is 40.

The square root of 52564765 is about 7250.1562052138. The cubic root of 52564765 is about 374.5975296831.

The spelling of 52564765 in words is "fifty-two million, five hundred sixty-four thousand, seven hundred sixty-five".