50461781769 has 81 divisors (see below), whose sum is σ = 89646234093. Its totient is φ = 27269134704.

The previous prime is 50461781687. The next prime is 50461781801. The reversal of 50461781769 is 96718716405.

The square root of 50461781769 is 224637.

It is a perfect power (a square), and thus also a powerful number.

50461781769 is a `hidden beast` number, since 5 + 0 + 4 + 617 + 8 + 17 + 6 + 9 = 666.

It is not a de Polignac number, because 50461781769 - 2¹⁹ = 50461257481 is a prime.

It is a super-2 number, since 2×50461781769² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50461781969) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 89629882 + ... + 89630444.

Almost surely, 2^50461781769 is an apocalyptic number.

50461781769 is the 224637-th square number.

50461781769 is the 112319-th centered octagonal number.

It is an amenable number.

50461781769 is a deficient number, since it is larger than the sum of its proper divisors (39184452324).

50461781769 is an equidigital number, since it uses as much as digits as its factorization.

50461781769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 50461781769 in words is "fifty billion, four hundred sixty-one million, seven hundred eighty-one thousand, seven hundred sixty-nine".