52257286 has 16 divisors (see below), whose sum is σ = 83234304. Its totient is φ = 24521344.

The previous prime is 52257281. The next prime is 52257301. The reversal of 52257286 is 68275225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52257281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11016 + ... + 15028.

It is an arithmetic number, because the mean of its divisors is an integer number (5202144).

Almost surely, 2^52257286 is an apocalyptic number.

52257286 is a deficient number, since it is larger than the sum of its proper divisors (30977018).

52257286 is a wasteful number, since it uses less digits than its factorization.

52257286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415.

The product of its digits is 67200, while the sum is 37.

The square root of 52257286 is about 7228.9201129906. The cubic root of 52257286 is about 373.8656947675.

The spelling of 52257286 in words is "fifty-two million, two hundred fifty-seven thousand, two hundred eighty-six".