51550435049 has 8 divisors (see below), whose sum is σ = 54936264960. Its totient is φ = 48259980736.

The previous prime is 51550435007. The next prime is 51550435063. The reversal of 51550435049 is 94053405515.

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

It is not a de Polignac number, because 51550435049 - 2¹⁶ = 51550369513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51550434997 and 51550435015.

It is not an unprimeable number, because it can be changed into a prime (51550435099) 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, 23842784 + ... + 23844945.

It is an arithmetic number, because the mean of its divisors is an integer number (6867033120).

Almost surely, 2^51550435049 is an apocalyptic number.

It is an amenable number.

51550435049 is a deficient number, since it is larger than the sum of its proper divisors (3385829911).

51550435049 is a wasteful number, since it uses less digits than its factorization.

51550435049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47687799.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 51550435049 in words is "fifty-one billion, five hundred fifty million, four hundred thirty-five thousand, forty-nine".