52857206 has 4 divisors (see below), whose sum is σ = 79285812. Its totient is φ = 26428602.

The previous prime is 52857179. The next prime is 52857223. The reversal of 52857206 is 60275825.

52857206 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 super-2 number, since 2×52857206² = 5587768452252872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13214300 + ... + 13214303.

It is an arithmetic number, because the mean of its divisors is an integer number (19821453).

Almost surely, 2^52857206 is an apocalyptic number.

52857206 is a deficient number, since it is larger than the sum of its proper divisors (26428606).

52857206 is a wasteful number, since it uses less digits than its factorization.

52857206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26428605.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 52857206 is about 7270.2961425240. The cubic root of 52857206 is about 375.2909291985.

The spelling of 52857206 in words is "fifty-two million, eight hundred fifty-seven thousand, two hundred six".