53023111 has 4 divisors (see below), whose sum is σ = 53250912. Its totient is φ = 52795312.

The previous prime is 53023093. The next prime is 53023121. The reversal of 53023111 is 11132035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11132035 = 5 ⋅2226407.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53023111 is a prime.

It is a super-2 number, since 2×53023111² = 5622900600236642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53023121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113551 + ... + 114016.

It is an arithmetic number, because the mean of its divisors is an integer number (13312728).

Almost surely, 2^53023111 is an apocalyptic number.

53023111 is a deficient number, since it is larger than the sum of its proper divisors (227801).

53023111 is a wasteful number, since it uses less digits than its factorization.

53023111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227800.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 53023111 is about 7281.6969862801. The cubic root of 53023111 is about 375.6831659283.

Adding to 53023111 its reverse (11132035), we get a palindrome (64155146).

The spelling of 53023111 in words is "fifty-three million, twenty-three thousand, one hundred eleven".