51550315233 has 16 divisors (see below), whose sum is σ = 71177227200. Its totient is φ = 33147584960.

The previous prime is 51550315181. The next prime is 51550315321. The reversal of 51550315233 is 33251305515.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51550315233 - 2¹³ = 51550307041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51550315194 and 51550315203.

It is not an unprimeable number, because it can be changed into a prime (51554315233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220638 + ... + 389591.

It is an arithmetic number, because the mean of its divisors is an integer number (4448576700).

Almost surely, 2^51550315233 is an apocalyptic number.

It is an amenable number.

51550315233 is a deficient number, since it is larger than the sum of its proper divisors (19626911967).

51550315233 is a wasteful number, since it uses less digits than its factorization.

51550315233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611232.

The product of its (nonzero) digits is 33750, while the sum is 33.

The spelling of 51550315233 in words is "fifty-one billion, five hundred fifty million, three hundred fifteen thousand, two hundred thirty-three".