52564401 has 6 divisors (see below), whose sum is σ = 75926370. Its totient is φ = 35042928.

The previous prime is 52564399. The next prime is 52564423. The reversal of 52564401 is 10446525.

52564401 is a `hidden beast` number, since 5 + 256 + 4 + 401 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52186176 + 378225 = 7224^2 + 615^2 .

It is not a de Polignac number, because 52564401 - 2¹ = 52564399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52564451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2920236 + ... + 2920253.

It is an arithmetic number, because the mean of its divisors is an integer number (12654395).

Almost surely, 2^52564401 is an apocalyptic number.

It is an amenable number.

52564401 is a deficient number, since it is larger than the sum of its proper divisors (23361969).

52564401 is a wasteful number, since it uses less digits than its factorization.

52564401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840495 (or 5840492 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 52564401 is about 7250.1311022629. The cubic root of 52564401 is about 374.5966650112.

It can be divided in two parts, 52 and 564401, that added together give a triangular number (564453 = T₁₀₆₂).

The spelling of 52564401 in words is "fifty-two million, five hundred sixty-four thousand, four hundred one".