49855894183 has 2 divisors, whose sum is σ = 49855894184. Its totient is φ = 49855894182.

The previous prime is 49855894159. The next prime is 49855894223. The reversal of 49855894183 is 38149855894.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49855894183 is a prime.

It is a super-2 number, since 2×49855894183² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49855894783) 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 as a sum of consecutive naturals, namely, 24927947091 + 24927947092.

It is an arithmetic number, because the mean of its divisors is an integer number (24927947092).

Almost surely, 2^49855894183 is an apocalyptic number.

49855894183 is a deficient number, since it is larger than the sum of its proper divisors (1).

49855894183 is an equidigital number, since it uses as much as digits as its factorization.

49855894183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49766400, while the sum is 64.

The spelling of 49855894183 in words is "forty-nine billion, eight hundred fifty-five million, eight hundred ninety-four thousand, one hundred eighty-three".