53337213 has 12 divisors (see below), whose sum is σ = 77410528. Its totient is φ = 35388360.

The previous prime is 53337209. The next prime is 53337217. The reversal of 53337213 is 31273335.

It is an interprime number because it is at equal distance from previous prime (53337209) and next prime (53337217).

It is not a de Polignac number, because 53337213 - 2² = 53337209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53337217) 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 11 ways as a sum of consecutive naturals, for example, 12145 + ... + 15942.

Almost surely, 2^53337213 is an apocalyptic number.

It is an amenable number.

53337213 is a deficient number, since it is larger than the sum of its proper divisors (24073315).

53337213 is a wasteful number, since it uses less digits than its factorization.

53337213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28304 (or 28301 counting only the distinct ones).

The product of its digits is 5670, while the sum is 27.

The square root of 53337213 is about 7303.2330511904. The cubic root of 53337213 is about 376.4235385964.

The spelling of 53337213 in words is "fifty-three million, three hundred thirty-seven thousand, two hundred thirteen".