52043842 has 8 divisors (see below), whose sum is σ = 79969932. Its totient is φ = 25387200.

The previous prime is 52043833. The next prime is 52043843. The reversal of 52043842 is 24834025.

It can be written as a sum of positive squares in 2 ways, for example, as 46526041 + 5517801 = 6821^2 + 2349^2 .

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

It is a super-2 number, since 2×52043842² = 5417122980241928, 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 52043842.

It is not an unprimeable number, because it can be changed into a prime (52043843) 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, 317259 + ... + 317422.

Almost surely, 2^52043842 is an apocalyptic number.

52043842 is a deficient number, since it is larger than the sum of its proper divisors (27926090).

52043842 is a wasteful number, since it uses less digits than its factorization.

52043842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634724.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 52043842 is about 7214.1418062026. The cubic root of 52043842 is about 373.3559841345.

Adding to 52043842 its reverse (24834025), we get a palindrome (76877867).

The spelling of 52043842 in words is "fifty-two million, forty-three thousand, eight hundred forty-two".