53213411 has 4 divisors (see below), whose sum is σ = 54085824. Its totient is φ = 52341000.

The previous prime is 53213401. The next prime is 53213429. The reversal of 53213411 is 11431235.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53213411 is a prime.

It is a super-2 number, since 2×53213411² = 5663334220509842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53213401) 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, 436115 + ... + 436236.

It is an arithmetic number, because the mean of its divisors is an integer number (13521456).

Almost surely, 2^53213411 is an apocalyptic number.

53213411 is a deficient number, since it is larger than the sum of its proper divisors (872413).

53213411 is an equidigital number, since it uses as much as digits as its factorization.

53213411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872412.

The product of its digits is 360, while the sum is 20.

The square root of 53213411 is about 7294.7522918876. The cubic root of 53213411 is about 376.1320717379.

Adding to 53213411 its reverse (11431235), we get a palindrome (64644646).

The spelling of 53213411 in words is "fifty-three million, two hundred thirteen thousand, four hundred eleven".