52039489 has 4 divisors (see below), whose sum is σ = 52197040. Its totient is φ = 51881940.

The previous prime is 52039459. The next prime is 52039511. The reversal of 52039489 is 98493025.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52039489 - 2¹¹ = 52037441 is a prime.

It is a super-2 number, since 2×52039489² = 5416216830762242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52039439) 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 in 3 ways as a sum of consecutive naturals, for example, 78279 + ... + 78940.

It is an arithmetic number, because the mean of its divisors is an integer number (13049260).

Almost surely, 2^52039489 is an apocalyptic number.

It is an amenable number.

52039489 is a deficient number, since it is larger than the sum of its proper divisors (157551).

52039489 is a wasteful number, since it uses less digits than its factorization.

52039489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157550.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 52039489 is about 7213.8401008062. The cubic root of 52039489 is about 373.3455745526.

The spelling of 52039489 in words is "fifty-two million, thirty-nine thousand, four hundred eighty-nine".