53163219 has 4 divisors (see below), whose sum is σ = 70884296. Its totient is φ = 35442144.

The previous prime is 53163217. The next prime is 53163239. The reversal of 53163219 is 91236135.

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

It is not a de Polignac number, because 53163219 - 2¹ = 53163217 is a prime.

It is a super-2 number, since 2×53163219² = 5652655708883922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53163217) 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, 8860534 + ... + 8860539.

It is an arithmetic number, because the mean of its divisors is an integer number (17721074).

Almost surely, 2^53163219 is an apocalyptic number.

53163219 is a deficient number, since it is larger than the sum of its proper divisors (17721077).

53163219 is a wasteful number, since it uses less digits than its factorization.

53163219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17721076.

The product of its digits is 4860, while the sum is 30.

The square root of 53163219 is about 7291.3111989545. The cubic root of 53163219 is about 376.0137759967.

The spelling of 53163219 in words is "fifty-three million, one hundred sixty-three thousand, two hundred nineteen".