51889089 has 24 divisors (see below), whose sum is σ = 82362720. Its totient is φ = 28957824.

The previous prime is 51889087. The next prime is 51889093. The reversal of 51889089 is 98098815.

51889089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51889089 - 2¹ = 51889087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51889087) 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 23 ways as a sum of consecutive naturals, for example, 2217 + ... + 10425.

It is an arithmetic number, because the mean of its divisors is an integer number (3431780).

Almost surely, 2^51889089 is an apocalyptic number.

It is an amenable number.

51889089 is a deficient number, since it is larger than the sum of its proper divisors (30473631).

51889089 is a wasteful number, since it uses less digits than its factorization.

51889089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8269 (or 8262 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 48.

The square root of 51889089 is about 7203.4081517015. The cubic root of 51889089 is about 372.9855572085.

The spelling of 51889089 in words is "fifty-one million, eight hundred eighty-nine thousand, eighty-nine".