52567668 has 18 divisors (see below), whose sum is σ = 132879474. Its totient is φ = 17522544.

The previous prime is 52567601. The next prime is 52567681. The reversal of 52567668 is 86676525.

52567668 is a `hidden beast` number, since 525 + 67 + 6 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52446564 + 121104 = 7242^2 + 348^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 730071 + ... + 730142.

It is an arithmetic number, because the mean of its divisors is an integer number (7382193).

Almost surely, 2^52567668 is an apocalyptic number.

It is an amenable number.

52567668 is an abundant number, since it is smaller than the sum of its proper divisors (80311806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52567668 is a wasteful number, since it uses less digits than its factorization.

52567668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460223 (or 1460218 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 52567668 is about 7250.3564050328. The cubic root of 52567668 is about 374.6044255356.

It can be divided in two parts, 52567 and 668, that added together give a palindrome (53235).

The spelling of 52567668 in words is "fifty-two million, five hundred sixty-seven thousand, six hundred sixty-eight".