51328099 has 8 divisors (see below), whose sum is σ = 51983280. Its totient is φ = 50676000.

The previous prime is 51328091. The next prime is 51328127. The reversal of 51328099 is 99082315.

51328099 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 a cyclic number.

It is not a de Polignac number, because 51328099 - 2³ = 51328091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51328091) 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, 62109 + ... + 62929.

It is an arithmetic number, because the mean of its divisors is an integer number (6497910).

Almost surely, 2^51328099 is an apocalyptic number.

51328099 is a deficient number, since it is larger than the sum of its proper divisors (655181).

51328099 is a wasteful number, since it uses less digits than its factorization.

51328099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 51328099 is about 7164.3631259171. The cubic root of 51328099 is about 371.6365273698.

It can be divided in two parts, 5132 and 8099, that added together give a palindrome (13231).

The spelling of 51328099 in words is "fifty-one million, three hundred twenty-eight thousand, ninety-nine".