51142302052 has 12 divisors (see below), whose sum is σ = 94209503920. Its totient is φ = 24225300936.

The previous prime is 51142302037. The next prime is 51142302077. The reversal of 51142302052 is 25020324115.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336462438 + ... + 336462589.

Almost surely, 2^51142302052 is an apocalyptic number.

It is an amenable number.

51142302052 is a deficient number, since it is larger than the sum of its proper divisors (43067201868).

51142302052 is a wasteful number, since it uses less digits than its factorization.

51142302052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672925050 (or 672925048 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 51142302052 its reverse (25020324115), we get a palindrome (76162626167).

The spelling of 51142302052 in words is "fifty-one billion, one hundred forty-two million, three hundred two thousand, fifty-two".