51000033050 has 24 divisors (see below), whose sum is σ = 94878675516. Its totient is φ = 20396010240.

The previous prime is 51000033047. The next prime is 51000033053. The reversal of 51000033050 is 5033000015.

It is an interprime number because it is at equal distance from previous prime (51000033047) and next prime (51000033053).

It can be written as a sum of positive squares in 6 ways, for example, as 42393574609 + 8606458441 = 205897^2 + 92771^2 .

It is a super-2 number, since 2×51000033050² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51000033053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164192 + ... + 359108.

Almost surely, 2^51000033050 is an apocalyptic number.

51000033050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51000033050 is a deficient number, since it is larger than the sum of its proper divisors (43878642466).

51000033050 is a wasteful number, since it uses less digits than its factorization.

51000033050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200162 (or 200157 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 17.

Adding to 51000033050 its reverse (5033000015), we get a palindrome (56033033065).

The spelling of 51000033050 in words is "fifty-one billion, thirty-three thousand, fifty".