52807989 has 8 divisors (see below), whose sum is σ = 75826912. Its totient is φ = 32497200.

The previous prime is 52807987. The next prime is 52808027. The reversal of 52807989 is 98970825.

It is a happy number.

52807989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 52807989 - 2¹ = 52807987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52807987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676987 + ... + 677064.

It is an arithmetic number, because the mean of its divisors is an integer number (9478364).

Almost surely, 2^52807989 is an apocalyptic number.

It is an amenable number.

52807989 is a deficient number, since it is larger than the sum of its proper divisors (23018923).

52807989 is a wasteful number, since it uses less digits than its factorization.

52807989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354067.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 52807989 is about 7266.9105540112. The cubic root of 52807989 is about 375.1744113137.

The spelling of 52807989 in words is "fifty-two million, eight hundred seven thousand, nine hundred eighty-nine".