53023311 has 12 divisors (see below), whose sum is σ = 83552040. Its totient is φ = 32135280.

The previous prime is 53023301. The next prime is 53023337. The reversal of 53023311 is 11332035.

It is not a de Polignac number, because 53023311 - 2⁵ = 53023279 is a prime.

It is a super-2 number, since 2×53023311² = 5622943018805442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53023301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267696 + ... + 267893.

It is an arithmetic number, because the mean of its divisors is an integer number (6962670).

Almost surely, 2^53023311 is an apocalyptic number.

53023311 is a deficient number, since it is larger than the sum of its proper divisors (30528729).

53023311 is a wasteful number, since it uses less digits than its factorization.

53023311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535606 (or 535603 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 53023311 is about 7281.7107193296. The cubic root of 53023311 is about 375.6836382792.

Adding to 53023311 its reverse (11332035), we get a palindrome (64355346).

The spelling of 53023311 in words is "fifty-three million, twenty-three thousand, three hundred eleven".