51043302 has 48 divisors (see below), whose sum is σ = 116363520. Its totient is φ = 16139376.

The previous prime is 51043273. The next prime is 51043327. The reversal of 51043302 is 20334015.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57103 + ... + 57989.

It is an arithmetic number, because the mean of its divisors is an integer number (2424240).

Almost surely, 2^51043302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51043302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58181760).

51043302 is an abundant number, since it is smaller than the sum of its proper divisors (65320218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51043302 is a wasteful number, since it uses less digits than its factorization.

51043302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 51043302 is about 7144.4595316931. The cubic root of 51043302 is about 370.9479030700.

Adding to 51043302 its reverse (20334015), we get a palindrome (71377317).

The spelling of 51043302 in words is "fifty-one million, forty-three thousand, three hundred two".