52770213 has 12 divisors (see below), whose sum is σ = 76313068. Its totient is φ = 35138880.

The previous prime is 52770203. The next prime is 52770217. The reversal of 52770213 is 31207725.

52770213 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 44715969 + 8054244 = 6687^2 + 2838^2 .

It is not a de Polignac number, because 52770213 - 2⁵ = 52770181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52770217) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6033 + ... + 11913.

Almost surely, 2^52770213 is an apocalyptic number.

It is an amenable number.

52770213 is a deficient number, since it is larger than the sum of its proper divisors (23542855).

52770213 is a wasteful number, since it uses less digits than its factorization.

52770213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6884 (or 6881 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 52770213 is about 7264.3109101965. The cubic root of 52770213 is about 375.0849300969.

Adding to 52770213 its reverse (31207725), we get a palindrome (83977938).

The spelling of 52770213 in words is "fifty-two million, seven hundred seventy thousand, two hundred thirteen".