52821214 has 8 divisors (see below), whose sum is σ = 79289568. Its totient is φ = 26391360.

The previous prime is 52821211. The next prime is 52821221. The reversal of 52821214 is 41212825.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52821211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5907 + ... + 11854.

It is an arithmetic number, because the mean of its divisors is an integer number (9911196).

Almost surely, 2^52821214 is an apocalyptic number.

52821214 is a deficient number, since it is larger than the sum of its proper divisors (26468354).

52821214 is a wasteful number, since it uses less digits than its factorization.

52821214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19250.

The product of its digits is 1280, while the sum is 25.

The square root of 52821214 is about 7267.8204435718. The cubic root of 52821214 is about 375.2057277082.

It can be divided in two parts, 52821 and 214, that added together give a palindrome (53035).

The spelling of 52821214 in words is "fifty-two million, eight hundred twenty-one thousand, two hundred fourteen".