53513211 has 8 divisors (see below), whose sum is σ = 73279504. Its totient is φ = 34711200.

The previous prime is 53513189. The next prime is 53513233. The reversal of 53513211 is 11231535.

It is an interprime number because it is at equal distance from previous prime (53513189) and next prime (53513233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53513211 - 2¹⁵ = 53480443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53513261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240940 + ... + 241161.

It is an arithmetic number, because the mean of its divisors is an integer number (9159938).

Almost surely, 2^53513211 is an apocalyptic number.

53513211 is a deficient number, since it is larger than the sum of its proper divisors (19766293).

53513211 is a wasteful number, since it uses less digits than its factorization.

53513211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482141.

The product of its digits is 450, while the sum is 21.

The square root of 53513211 is about 7315.2724487882. The cubic root of 53513211 is about 376.8371151025.

Adding to 53513211 its reverse (11231535), we get a palindrome (64744746).

The spelling of 53513211 in words is "fifty-three million, five hundred thirteen thousand, two hundred eleven".