52385668 has 6 divisors (see below), whose sum is σ = 91674926. Its totient is φ = 26192832.

The previous prime is 52385657. The next prime is 52385681. The reversal of 52385668 is 86658325.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 48191364 + 4194304 = 6942^2 + 2048^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6548205 + ... + 6548212.

Almost surely, 2^52385668 is an apocalyptic number.

It is an amenable number.

52385668 is a deficient number, since it is larger than the sum of its proper divisors (39289258).

52385668 is a wasteful number, since it uses less digits than its factorization.

52385668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13096421 (or 13096419 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The square root of 52385668 is about 7237.7944154279. The cubic root of 52385668 is about 374.1716066453.

The spelling of 52385668 in words is "fifty-two million, three hundred eighty-five thousand, six hundred sixty-eight".