52440459 has 8 divisors (see below), whose sum is σ = 70471680. Its totient is φ = 34684776.

The previous prime is 52440413. The next prime is 52440467. The reversal of 52440459 is 95404425.

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

It is not a de Polignac number, because 52440459 - 2⁷ = 52440331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52440469) 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 7 ways as a sum of consecutive naturals, for example, 68439 + ... + 69200.

It is an arithmetic number, because the mean of its divisors is an integer number (8808960).

Almost surely, 2^52440459 is an apocalyptic number.

52440459 is a deficient number, since it is larger than the sum of its proper divisors (18031221).

52440459 is a wasteful number, since it uses less digits than its factorization.

52440459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137769.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 52440459 is about 7241.5784881475. The cubic root of 52440459 is about 374.3020118618.

The spelling of 52440459 in words is "fifty-two million, four hundred forty thousand, four hundred fifty-nine".