52111522 has 4 divisors (see below), whose sum is σ = 78167286. Its totient is φ = 26055760.

The previous prime is 52111519. The next prime is 52111523. The reversal of 52111522 is 22511125.

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

It can be written as a sum of positive squares in only one way, i.e., 43414921 + 8696601 = 6589^2 + 2949^2 .

It is a super-2 number, since 2×52111522² = 5431221450312968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52111522.

It is not an unprimeable number, because it can be changed into a prime (52111523) 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 as a sum of consecutive naturals, namely, 13027879 + ... + 13027882.

Almost surely, 2^52111522 is an apocalyptic number.

52111522 is a deficient number, since it is larger than the sum of its proper divisors (26055764).

52111522 is a wasteful number, since it uses less digits than its factorization.

52111522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26055763.

The product of its digits is 200, while the sum is 19.

The square root of 52111522 is about 7218.8310688089. The cubic root of 52111522 is about 373.5177566352.

Adding to 52111522 its reverse (22511125), we get a palindrome (74622647).

The spelling of 52111522 in words is "fifty-two million, one hundred eleven thousand, five hundred twenty-two".