51303002252 has 12 divisors (see below), whose sum is σ = 90034591416. Its totient is φ = 25578833280.

The previous prime is 51303002183. The next prime is 51303002281. The reversal of 51303002252 is 25220030315.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18165374 + ... + 18168197.

It is an arithmetic number, because the mean of its divisors is an integer number (7502882618).

Almost surely, 2^51303002252 is an apocalyptic number.

It is an amenable number.

51303002252 is a deficient number, since it is larger than the sum of its proper divisors (38731589164).

51303002252 is a wasteful number, since it uses less digits than its factorization.

51303002252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36333928 (or 36333926 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 51303002252 its reverse (25220030315), we get a palindrome (76523032567).

The spelling of 51303002252 in words is "fifty-one billion, three hundred three million, two thousand, two hundred fifty-two".