52642746 has 24 divisors (see below), whose sum is σ = 122833620. Its totient is φ = 16197696.

The previous prime is 52642703. The next prime is 52642757. The reversal of 52642746 is 64724625.

52642746 is a `hidden beast` number, since 5 + 2 + 642 + 7 + 4 + 6 = 666.

52642746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47403225 + 5239521 = 6885^2 + 2289^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52642746.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112251 + ... + 112718.

Almost surely, 2^52642746 is an apocalyptic number.

52642746 is an abundant number, since it is smaller than the sum of its proper divisors (70190874).

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

52642746 is a wasteful number, since it uses less digits than its factorization.

52642746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224990 (or 224987 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 52642746 is about 7255.5320962697. The cubic root of 52642746 is about 374.7826794157.

The spelling of 52642746 in words is "fifty-two million, six hundred forty-two thousand, seven hundred forty-six".