53568111 has 4 divisors (see below), whose sum is σ = 71424152. Its totient is φ = 35712072.

The previous prime is 53568091. The next prime is 53568113. The reversal of 53568111 is 11186535.

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

It is not a de Polignac number, because 53568111 - 2¹¹ = 53566063 is a prime.

It is a super-2 number, since 2×53568111² = 5739085032216642, 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 (53568113) 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, 8928016 + ... + 8928021.

It is an arithmetic number, because the mean of its divisors is an integer number (17856038).

Almost surely, 2^53568111 is an apocalyptic number.

53568111 is a deficient number, since it is larger than the sum of its proper divisors (17856041).

53568111 is a wasteful number, since it uses less digits than its factorization.

53568111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17856040.

The product of its digits is 3600, while the sum is 30.

The square root of 53568111 is about 7319.0239103312. The cubic root of 53568111 is about 376.9659386611.

The spelling of 53568111 in words is "fifty-three million, five hundred sixty-eight thousand, one hundred eleven".