53423211 has 4 divisors (see below), whose sum is σ = 71230952. Its totient is φ = 35615472.

The previous prime is 53423203. The next prime is 53423213. The reversal of 53423211 is 11232435.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53423211 - 2³ = 53423203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53423213) 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, 8903866 + ... + 8903871.

It is an arithmetic number, because the mean of its divisors is an integer number (17807738).

Almost surely, 2^53423211 is an apocalyptic number.

53423211 is a deficient number, since it is larger than the sum of its proper divisors (17807741).

53423211 is a wasteful number, since it uses less digits than its factorization.

53423211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17807740.

The product of its digits is 720, while the sum is 21.

The square root of 53423211 is about 7309.1183462850. The cubic root of 53423211 is about 376.6257381935.

Adding to 53423211 its reverse (11232435), we get a palindrome (64655646).

The spelling of 53423211 in words is "fifty-three million, four hundred twenty-three thousand, two hundred eleven".