52567766 has 4 divisors (see below), whose sum is σ = 78851652. Its totient is φ = 26283882.

The previous prime is 52567763. The next prime is 52567789. The reversal of 52567766 is 66776525.

52567766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52567763) by changing a digit.

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 as a sum of consecutive naturals, namely, 13141940 + ... + 13141943.

It is an arithmetic number, because the mean of its divisors is an integer number (19712913).

Almost surely, 2^52567766 is an apocalyptic number.

52567766 is a deficient number, since it is larger than the sum of its proper divisors (26283886).

52567766 is a wasteful number, since it uses less digits than its factorization.

52567766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26283885.

The product of its digits is 529200, while the sum is 44.

The square root of 52567766 is about 7250.3631633181. The cubic root of 52567766 is about 374.6046583226.

The spelling of 52567766 in words is "fifty-two million, five hundred sixty-seven thousand, seven hundred sixty-six".