50653727618 has 16 divisors (see below), whose sum is σ = 81829009080. Its totient is φ = 23377570176.

The previous prime is 50653727617. The next prime is 50653727633. The reversal of 50653727618 is 81672735605.

It can be written as a sum of positive squares in 4 ways, for example, as 46717796449 + 3935931169 = 216143^2 + 62737^2 .

It is not an unprimeable number, because it can be changed into a prime (50653727617) 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 7 ways as a sum of consecutive naturals, for example, 949478 + ... + 1001406.

Almost surely, 2^50653727618 is an apocalyptic number.

50653727618 is a deficient number, since it is larger than the sum of its proper divisors (31175281462).

50653727618 is a wasteful number, since it uses less digits than its factorization.

50653727618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89461.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 50653727618 in words is "fifty billion, six hundred fifty-three million, seven hundred twenty-seven thousand, six hundred eighteen".