52210286 has 8 divisors (see below), whose sum is σ = 79484520. Its totient is φ = 25715448.

The previous prime is 52210283. The next prime is 52210303. The reversal of 52210286 is 68201225.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52210283) 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, 194681 + ... + 194948.

It is an arithmetic number, because the mean of its divisors is an integer number (9935565).

Almost surely, 2^52210286 is an apocalyptic number.

52210286 is a deficient number, since it is larger than the sum of its proper divisors (27274234).

52210286 is a wasteful number, since it uses less digits than its factorization.

52210286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389698.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 52210286 is about 7225.6685503834. The cubic root of 52210286 is about 373.7535766968.

The spelling of 52210286 in words is "fifty-two million, two hundred ten thousand, two hundred eighty-six".