53442522 has 24 divisors (see below), whose sum is σ = 132334176. Its totient is φ = 15269256.

The previous prime is 53442491. The next prime is 53442533. The reversal of 53442522 is 22524435.

It is a happy number.

It is a super-2 number, since 2×53442522² = 5712206315440968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211948 + ... + 212199.

It is an arithmetic number, because the mean of its divisors is an integer number (5513924).

Almost surely, 2^53442522 is an apocalyptic number.

53442522 is an abundant number, since it is smaller than the sum of its proper divisors (78891654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53442522 is a wasteful number, since it uses less digits than its factorization.

53442522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424162 (or 424159 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 53442522 is about 7310.4392480890. The cubic root of 53442522 is about 376.6711126249.

Adding to 53442522 its reverse (22524435), we get a palindrome (75966957).

The spelling of 53442522 in words is "fifty-three million, four hundred forty-two thousand, five hundred twenty-two".