53162643 has 4 divisors (see below), whose sum is σ = 70883528. Its totient is φ = 35441760.

The previous prime is 53162633. The next prime is 53162647. The reversal of 53162643 is 34626135.

53162643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 53162643 - 2⁵ = 53162611 is a prime.

It is a super-2 number, since 2×53162643² = 5652533221490898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53162643.

It is not an unprimeable number, because it can be changed into a prime (53162647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8860438 + ... + 8860443.

It is an arithmetic number, because the mean of its divisors is an integer number (17720882).

Almost surely, 2^53162643 is an apocalyptic number.

53162643 is a deficient number, since it is larger than the sum of its proper divisors (17720885).

53162643 is a wasteful number, since it uses less digits than its factorization.

53162643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17720884.

The product of its digits is 12960, while the sum is 30.

The square root of 53162643 is about 7291.2716997791. The cubic root of 53162643 is about 376.0124180107.

Adding to 53162643 its reverse (34626135), we get a palindrome (87788778).

The spelling of 53162643 in words is "fifty-three million, one hundred sixty-two thousand, six hundred forty-three".