52423522 has 8 divisors (see below), whose sum is σ = 79924572. Its totient is φ = 25782000.

The previous prime is 52423517. The next prime is 52423523. The reversal of 52423522 is 22532425.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52287361 + 136161 = 7231^2 + 369^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (52423523) 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, 214729 + ... + 214972.

Almost surely, 2^52423522 is an apocalyptic number.

52423522 is a deficient number, since it is larger than the sum of its proper divisors (27501050).

52423522 is a wasteful number, since it uses less digits than its factorization.

52423522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429764.

The product of its digits is 4800, while the sum is 25.

The square root of 52423522 is about 7240.4089663499. The cubic root of 52423522 is about 374.2617106902.

Adding to 52423522 its reverse (22532425), we get a palindrome (74955947).

The spelling of 52423522 in words is "fifty-two million, four hundred twenty-three thousand, five hundred twenty-two".