52386257 has 8 divisors (see below), whose sum is σ = 65312832. Its totient is φ = 40820400.

The previous prime is 52386253. The next prime is 52386281. The reversal of 52386257 is 75268325.

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

It is a cyclic number.

It is not a de Polignac number, because 52386257 - 2² = 52386253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52386257.

It is not an unprimeable number, because it can be changed into a prime (52386253) 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, 340094 + ... + 340247.

It is an arithmetic number, because the mean of its divisors is an integer number (8164104).

Almost surely, 2^52386257 is an apocalyptic number.

It is an amenable number.

52386257 is a deficient number, since it is larger than the sum of its proper divisors (12926575).

52386257 is a wasteful number, since it uses less digits than its factorization.

52386257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680359.

The product of its digits is 100800, while the sum is 38.

The square root of 52386257 is about 7237.8351045047. The cubic root of 52386257 is about 374.1730089770.

The spelling of 52386257 in words is "fifty-two million, three hundred eighty-six thousand, two hundred fifty-seven".