51633247203 has 16 divisors (see below), whose sum is σ = 76635114400. Its totient is φ = 34358528160.

The previous prime is 51633247187. The next prime is 51633247217. The reversal of 51633247203 is 30274233615.

It is not a de Polignac number, because 51633247203 - 2⁴ = 51633247187 is a prime.

It is a super-2 number, since 2×51633247203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51633247223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1752808 + ... + 1782021.

It is an arithmetic number, because the mean of its divisors is an integer number (4789694650).

Almost surely, 2^51633247203 is an apocalyptic number.

51633247203 is a deficient number, since it is larger than the sum of its proper divisors (25001867197).

51633247203 is a wasteful number, since it uses less digits than its factorization.

51633247203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535379 (or 3535373 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The spelling of 51633247203 in words is "fifty-one billion, six hundred thirty-three million, two hundred forty-seven thousand, two hundred three".