51445302 has 16 divisors (see below), whose sum is σ = 102961152. Its totient is φ = 17136680.

The previous prime is 51445301. The next prime is 51445321. The reversal of 51445302 is 20354415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51445301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14527 + ... + 17717.

It is an arithmetic number, because the mean of its divisors is an integer number (6435072).

Almost surely, 2^51445302 is an apocalyptic number.

51445302 is an abundant number, since it is smaller than the sum of its proper divisors (51515850).

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

51445302 is a wasteful number, since it uses less digits than its factorization.

51445302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5883.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 51445302 is about 7172.5380445140. The cubic root of 51445302 is about 371.9191783025.

Adding to 51445302 its reverse (20354415), we get a palindrome (71799717).

The spelling of 51445302 in words is "fifty-one million, four hundred forty-five thousand, three hundred two".