51203555417 has 16 divisors (see below), whose sum is σ = 59149999872. Its totient is φ = 43416522240.

The previous prime is 51203555413. The next prime is 51203555419. The reversal of 51203555417 is 71455530215.

It is not a de Polignac number, because 51203555417 - 2² = 51203555413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51203555413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349988 + ... + 474234.

It is an arithmetic number, because the mean of its divisors is an integer number (3696874992).

Almost surely, 2^51203555417 is an apocalyptic number.

It is an amenable number.

51203555417 is a deficient number, since it is larger than the sum of its proper divisors (7946444455).

51203555417 is a wasteful number, since it uses less digits than its factorization.

51203555417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124888.

The product of its (nonzero) digits is 105000, while the sum is 38.

The spelling of 51203555417 in words is "fifty-one billion, two hundred three million, five hundred fifty-five thousand, four hundred seventeen".