51334311950 has 12 divisors (see below), whose sum is σ = 95481820320. Its totient is φ = 20533724760.

The previous prime is 51334311947. The next prime is 51334311979. The reversal of 51334311950 is 5911343315.

It is a self number, because there is not a number n which added to its sum of digits gives 51334311950.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 513343070 + ... + 513343169.

It is an arithmetic number, because the mean of its divisors is an integer number (7956818360).

Almost surely, 2^51334311950 is an apocalyptic number.

51334311950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51334311950 is a deficient number, since it is larger than the sum of its proper divisors (44147508370).

51334311950 is a wasteful number, since it uses less digits than its factorization.

51334311950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026686251 (or 1026686246 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 35.

The spelling of 51334311950 in words is "fifty-one billion, three hundred thirty-four million, three hundred eleven thousand, nine hundred fifty".