53622263 has 4 divisors (see below), whose sum is σ = 53639040. Its totient is φ = 53605488.

The previous prime is 53622241. The next prime is 53622299. The reversal of 53622263 is 36222635.

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-53622263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53622203) 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, 1943 + ... + 10536.

It is an arithmetic number, because the mean of its divisors is an integer number (13409760).

Almost surely, 2^53622263 is an apocalyptic number.

53622263 is a deficient number, since it is larger than the sum of its proper divisors (16777).

53622263 is a wasteful number, since it uses less digits than its factorization.

53622263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16776.

The product of its digits is 12960, while the sum is 29.

The square root of 53622263 is about 7322.7223762751. The cubic root of 53622263 is about 377.0929208297.

Adding to 53622263 its reverse (36222635), we get a palindrome (89844898).

The spelling of 53622263 in words is "fifty-three million, six hundred twenty-two thousand, two hundred sixty-three".