52842431 has 16 divisors (see below), whose sum is σ = 57106944. Its totient is φ = 48775584.

The previous prime is 52842397. The next prime is 52842457. The reversal of 52842431 is 13424825.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 52842431 - 2⁶ = 52842367 is a prime.

It is a super-2 number, since 2×52842431² = 5584645027979522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52842394 and 52842403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52842131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81350 + ... + 81996.

It is an arithmetic number, because the mean of its divisors is an integer number (3569184).

Almost surely, 2^52842431 is an apocalyptic number.

52842431 is a deficient number, since it is larger than the sum of its proper divisors (4264513).

52842431 is a wasteful number, since it uses less digits than its factorization.

52842431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790.

The product of its digits is 7680, while the sum is 29.

The square root of 52842431 is about 7269.2799505866. The cubic root of 52842431 is about 375.2559579957.

The spelling of 52842431 in words is "fifty-two million, eight hundred forty-two thousand, four hundred thirty-one".