52666607 has 8 divisors (see below), whose sum is σ = 61177632. Its totient is φ = 44402400.

The previous prime is 52666553. The next prime is 52666609. The reversal of 52666607 is 70666625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52666607 - 2¹⁸ = 52404463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52666609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61244 + ... + 62097.

It is an arithmetic number, because the mean of its divisors is an integer number (7647204).

Almost surely, 2^52666607 is an apocalyptic number.

52666607 is a deficient number, since it is larger than the sum of its proper divisors (8511025).

52666607 is a wasteful number, since it uses less digits than its factorization.

52666607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123409.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 52666607 is about 7257.1762414868. The cubic root of 52666607 is about 374.8392958817.

The spelling of 52666607 in words is "fifty-two million, six hundred sixty-six thousand, six hundred seven".