51550100033 has 8 divisors (see below), whose sum is σ = 53930983680. Its totient is φ = 49222719520.

The previous prime is 51550099999. The next prime is 51550100047. The reversal of 51550100033 is 33000105515.

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-51550100033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51550099981 and 51550100008.

It is not an unprimeable number, because it can be changed into a prime (51550102033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13373813 + ... + 13377666.

It is an arithmetic number, because the mean of its divisors is an integer number (6741372960).

Almost surely, 2^51550100033 is an apocalyptic number.

It is an amenable number.

51550100033 is a deficient number, since it is larger than the sum of its proper divisors (2380883647).

51550100033 is a wasteful number, since it uses less digits than its factorization.

51550100033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26751567.

The product of its (nonzero) digits is 1125, while the sum is 23.

Adding to 51550100033 its reverse (33000105515), we get a palindrome (84550205548).

The spelling of 51550100033 in words is "fifty-one billion, five hundred fifty million, one hundred thousand, thirty-three".