52564761 has 16 divisors (see below), whose sum is σ = 78395520. Its totient is φ = 34808400.

The previous prime is 52564741. The next prime is 52564769. The reversal of 52564761 is 16746525.

It is a happy number.

52564761 is a `hidden beast` number, since 5 + 2 + 5 + 647 + 6 + 1 = 666.

It is not a de Polignac number, because 52564761 - 2¹⁸ = 52302617 is a prime.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2370 + ... + 10523.

It is an arithmetic number, because the mean of its divisors is an integer number (4899720).

Almost surely, 2^52564761 is an apocalyptic number.

It is an amenable number.

52564761 is a deficient number, since it is larger than the sum of its proper divisors (25830759).

52564761 is a wasteful number, since it uses less digits than its factorization.

52564761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13053 (or 13047 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 52564761 is about 7250.1559293577. The cubic root of 52564761 is about 374.5975201812.

The spelling of 52564761 in words is "fifty-two million, five hundred sixty-four thousand, seven hundred sixty-one".