52439089 has 4 divisors (see below), whose sum is σ = 52618356. Its totient is φ = 52259824.

The previous prime is 52439083. The next prime is 52439131. The reversal of 52439089 is 98093425.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29322225 + 23116864 = 5415^2 + 4808^2 .

It is a cyclic number.

It is not a de Polignac number, because 52439089 - 2⁷ = 52438961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52439083) 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, 89194 + ... + 89779.

It is an arithmetic number, because the mean of its divisors is an integer number (13154589).

Almost surely, 2^52439089 is an apocalyptic number.

It is an amenable number.

52439089 is a deficient number, since it is larger than the sum of its proper divisors (179267).

52439089 is a wasteful number, since it uses less digits than its factorization.

52439089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179266.

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

The square root of 52439089 is about 7241.4838948934. The cubic root of 52439089 is about 374.2987523033.

The spelling of 52439089 in words is "fifty-two million, four hundred thirty-nine thousand, eighty-nine".