51443425002 has 8 divisors (see below), whose sum is σ = 102886850016. Its totient is φ = 17147808332.

The previous prime is 51443425001. The next prime is 51443425051. The reversal of 51443425002 is 20052434415.

It is a sphenic number, since it is the product of 3 distinct primes.

51443425002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (51443425001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4286952078 + ... + 4286952089.

It is an arithmetic number, because the mean of its divisors is an integer number (12860856252).

Almost surely, 2^51443425002 is an apocalyptic number.

51443425002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51443425002 is a wasteful number, since it uses less digits than its factorization.

51443425002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8573904172.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 51443425002 its reverse (20052434415), we get a palindrome (71495859417).

The spelling of 51443425002 in words is "fifty-one billion, four hundred forty-three million, four hundred twenty-five thousand, two".