51005650199 has 16 divisors (see below), whose sum is σ = 58663366656. Its totient is φ = 43441250400.

The previous prime is 51005650183. The next prime is 51005650229. The reversal of 51005650199 is 99105650015.

51005650199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51005650199 - 2⁴ = 51005650183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51005650159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1191629 + ... + 1233689.

It is an arithmetic number, because the mean of its divisors is an integer number (3666460416).

Almost surely, 2^51005650199 is an apocalyptic number.

51005650199 is a deficient number, since it is larger than the sum of its proper divisors (7657716457).

51005650199 is a wasteful number, since it uses less digits than its factorization.

51005650199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43166.

The product of its (nonzero) digits is 60750, while the sum is 41.

The spelling of 51005650199 in words is "fifty-one billion, five million, six hundred fifty thousand, one hundred ninety-nine".