51650002227 has 4 divisors (see below), whose sum is σ = 68866669640. Its totient is φ = 34433334816.

The previous prime is 51650002223. The next prime is 51650002231. The reversal of 51650002227 is 72220005615.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (51650002223) and next prime (51650002231).

It is not a de Polignac number, because 51650002227 - 2² = 51650002223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51650002194 and 51650002203.

It is not an unprimeable number, because it can be changed into a prime (51650002223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8608333702 + ... + 8608333707.

It is an arithmetic number, because the mean of its divisors is an integer number (17216667410).

Almost surely, 2^51650002227 is an apocalyptic number.

51650002227 is a deficient number, since it is larger than the sum of its proper divisors (17216667413).

51650002227 is a wasteful number, since it uses less digits than its factorization.

51650002227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17216667412.

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 51650002227 in words is "fifty-one billion, six hundred fifty million, two thousand, two hundred twenty-seven".