52668593 has 4 divisors (see below), whose sum is σ = 53893488. Its totient is φ = 51443700.

The previous prime is 52668587. The next prime is 52668607. The reversal of 52668593 is 39586625.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52668593 - 2⁸ = 52668337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52665593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612383 + ... + 612468.

It is an arithmetic number, because the mean of its divisors is an integer number (13473372).

Almost surely, 2^52668593 is an apocalyptic number.

It is an amenable number.

52668593 is a deficient number, since it is larger than the sum of its proper divisors (1224895).

52668593 is a wasteful number, since it uses less digits than its factorization.

52668593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224894.

The product of its digits is 388800, while the sum is 44.

The square root of 52668593 is about 7257.3130702761. The cubic root of 52668593 is about 374.8440074155.

The spelling of 52668593 in words is "fifty-two million, six hundred sixty-eight thousand, five hundred ninety-three".