51432002 has 16 divisors (see below), whose sum is σ = 81527040. Its totient is φ = 24284832.

The previous prime is 51432001. The next prime is 51432013. The reversal of 51432002 is 20023415.

It is not an unprimeable number, because it can be changed into a prime (51432001) 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, 3443 + ... + 10710.

It is an arithmetic number, because the mean of its divisors is an integer number (5095440).

Almost surely, 2^51432002 is an apocalyptic number.

51432002 is a deficient number, since it is larger than the sum of its proper divisors (30095038).

51432002 is a wasteful number, since it uses less digits than its factorization.

51432002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14257.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 51432002 is about 7171.6108371830. The cubic root of 51432002 is about 371.8871251560.

Adding to 51432002 its reverse (20023415), we get a palindrome (71455417).

The spelling of 51432002 in words is "fifty-one million, four hundred thirty-two thousand, two".