52005459887 has 4 divisors (see below), whose sum is σ = 52007539056. Its totient is φ = 52003380720.

The previous prime is 52005459859. The next prime is 52005459893. The reversal of 52005459887 is 78895450025.

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

It is a cyclic number.

It is not a de Polignac number, because 52005459887 - 2¹⁶ = 52005394351 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 (52005458887) 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, 1001603 + ... + 1052244.

It is an arithmetic number, because the mean of its divisors is an integer number (13001884764).

Almost surely, 2^52005459887 is an apocalyptic number.

52005459887 is a deficient number, since it is larger than the sum of its proper divisors (2079169).

52005459887 is a wasteful number, since it uses less digits than its factorization.

52005459887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079168.

The product of its (nonzero) digits is 4032000, while the sum is 53.

The spelling of 52005459887 in words is "fifty-two billion, five million, four hundred fifty-nine thousand, eight hundred eighty-seven".