53022213 has 6 divisors (see below), whose sum is σ = 76587654. Its totient is φ = 35348136.

The previous prime is 53022209. The next prime is 53022223. The reversal of 53022213 is 31222035.

It can be written as a sum of positive squares in only one way, i.e., 44916804 + 8105409 = 6702^2 + 2847^2 .

It is not a de Polignac number, because 53022213 - 2² = 53022209 is a prime.

It is a super-2 number, since 2×53022213² = 5622710142834738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53022223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2945670 + ... + 2945687.

It is an arithmetic number, because the mean of its divisors is an integer number (12764609).

Almost surely, 2^53022213 is an apocalyptic number.

It is an amenable number.

53022213 is a deficient number, since it is larger than the sum of its proper divisors (23565441).

53022213 is a wasteful number, since it uses less digits than its factorization.

53022213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891363 (or 5891360 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 53022213 is about 7281.6353245682. The cubic root of 53022213 is about 375.6810450582.

Adding to 53022213 its reverse (31222035), we get a palindrome (84244248).

It can be divided in two parts, 53022 and 213, that added together give a palindrome (53235).

The spelling of 53022213 in words is "fifty-three million, twenty-two thousand, two hundred thirteen".