50418491761 has 12 divisors (see below), whose sum is σ = 58427724240. Its totient is φ = 43138813760.

The previous prime is 50418491647. The next prime is 50418491779. The reversal of 50418491761 is 16719481405.

It is not a de Polignac number, because 50418491761 - 2¹⁹ = 50417967473 is a prime.

It is a super-2 number, since 2×50418491761² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50418491261) 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 11 ways as a sum of consecutive naturals, for example, 7926751 + ... + 7933108.

It is an arithmetic number, because the mean of its divisors is an integer number (4868977020).

Almost surely, 2^50418491761 is an apocalyptic number.

It is an amenable number.

50418491761 is a deficient number, since it is larger than the sum of its proper divisors (8009232479).

50418491761 is a wasteful number, since it uses less digits than its factorization.

50418491761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15859904 (or 15859887 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 50418491761 in words is "fifty billion, four hundred eighteen million, four hundred ninety-one thousand, seven hundred sixty-one".