51889599 has 16 divisors (see below), whose sum is σ = 77369440. Its totient is φ = 34369920.

The previous prime is 51889561. The next prime is 51889631. The reversal of 51889599 is 99598815.

It is not a de Polignac number, because 51889599 - 2⁹ = 51889087 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 (51889549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1882 + ... + 10359.

It is an arithmetic number, because the mean of its divisors is an integer number (4835590).

Almost surely, 2^51889599 is an apocalyptic number.

51889599 is a deficient number, since it is larger than the sum of its proper divisors (25479841).

51889599 is a wasteful number, since it uses less digits than its factorization.

51889599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12407 (or 12401 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 54.

The square root of 51889599 is about 7203.4435515245. The cubic root of 51889599 is about 372.9867791867.

The spelling of 51889599 in words is "fifty-one million, eight hundred eighty-nine thousand, five hundred ninety-nine".