51544400233 has 8 divisors (see below), whose sum is σ = 51602792256. Its totient is φ = 51486037200.

The previous prime is 51544400221. The next prime is 51544400251. The reversal of 51544400233 is 33200444515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51544400233 is a prime.

It is a super-3 number, since 3×51544400233³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51544400195 and 51544400204.

It is not an unprimeable number, because it can be changed into a prime (51544400273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6430198 + ... + 6438208.

It is an arithmetic number, because the mean of its divisors is an integer number (6450349032).

Almost surely, 2^51544400233 is an apocalyptic number.

It is an amenable number.

51544400233 is a deficient number, since it is larger than the sum of its proper divisors (58392023).

51544400233 is a wasteful number, since it uses less digits than its factorization.

51544400233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14495.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 51544400233 its reverse (33200444515), we get a palindrome (84744844748).

The spelling of 51544400233 in words is "fifty-one billion, five hundred forty-four million, four hundred thousand, two hundred thirty-three".