52382290 has 8 divisors (see below), whose sum is σ = 94288140. Its totient is φ = 20952912.

The previous prime is 52382273. The next prime is 52382303. The reversal of 52382290 is 9228325.

52382290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 51681721 + 700569 = 7189^2 + 837^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 2619105 + ... + 2619124.

Almost surely, 2^52382290 is an apocalyptic number.

52382290 is a deficient number, since it is larger than the sum of its proper divisors (41905850).

52382290 is a wasteful number, since it uses less digits than its factorization.

52382290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5238236.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 52382290 is about 7237.5610532831. The cubic root of 52382290 is about 374.1635638675.

The spelling of 52382290 in words is "fifty-two million, three hundred eighty-two thousand, two hundred ninety".