53703213 has 4 divisors (see below), whose sum is σ = 71604288. Its totient is φ = 35802140.

The previous prime is 53703211. The next prime is 53703217. The reversal of 53703213 is 31230735.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53703213 - 2¹ = 53703211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53703211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8950533 + ... + 8950538.

It is an arithmetic number, because the mean of its divisors is an integer number (17901072).

Almost surely, 2^53703213 is an apocalyptic number.

It is an amenable number.

53703213 is a deficient number, since it is larger than the sum of its proper divisors (17901075).

53703213 is a wasteful number, since it uses less digits than its factorization.

53703213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17901074.

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 53703213 is about 7328.2476077163. The cubic root of 53703213 is about 377.2825828733.

Adding to 53703213 its reverse (31230735), we get a palindrome (84933948).

The spelling of 53703213 in words is "fifty-three million, seven hundred three thousand, two hundred thirteen".