52666715 has 4 divisors (see below), whose sum is σ = 63200064. Its totient is φ = 42133368.

The previous prime is 52666699. The next prime is 52666717. The reversal of 52666715 is 51766625.

52666715 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 cyclic number.

It is not a de Polignac number, because 52666715 - 2⁴ = 52666699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52666717) 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 in 3 ways as a sum of consecutive naturals, for example, 5266667 + ... + 5266676.

It is an arithmetic number, because the mean of its divisors is an integer number (15800016).

Almost surely, 2^52666715 is an apocalyptic number.

52666715 is a deficient number, since it is larger than the sum of its proper divisors (10533349).

52666715 is a wasteful number, since it uses less digits than its factorization.

52666715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10533348.

The product of its digits is 75600, while the sum is 38.

The square root of 52666715 is about 7257.1836823936. The cubic root of 52666715 is about 374.8395521011.

The spelling of 52666715 in words is "fifty-two million, six hundred sixty-six thousand, seven hundred fifteen".