51343222002 has 16 divisors (see below), whose sum is σ = 102692255232. Its totient is φ = 17113438800.

The previous prime is 51343221991. The next prime is 51343222009. The reversal of 51343222002 is 20022234315.

It is a super-2 number, since 2×51343222002² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51343222009) 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, 122749 + ... + 343152.

It is an arithmetic number, because the mean of its divisors is an integer number (6418265952).

Almost surely, 2^51343222002 is an apocalyptic number.

51343222002 is an abundant number, since it is smaller than the sum of its proper divisors (51349033230).

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

51343222002 is a wasteful number, since it uses less digits than its factorization.

51343222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484273.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 51343222002 its reverse (20022234315), we get a palindrome (71365456317).

The spelling of 51343222002 in words is "fifty-one billion, three hundred forty-three million, two hundred twenty-two thousand, two".