50011164643 has 16 divisors (see below), whose sum is σ = 55587340800. Its totient is φ = 44613672480.

The previous prime is 50011164641. The next prime is 50011164647. The reversal of 50011164643 is 34646111005.

It is a cyclic number.

It is not a de Polignac number, because 50011164643 - 2¹ = 50011164641 is a prime.

It is a super-2 number, since 2×50011164643² (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 (50011164641) 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, 34888 + ... + 318181.

It is an arithmetic number, because the mean of its divisors is an integer number (3474208800).

Almost surely, 2^50011164643 is an apocalyptic number.

50011164643 is a deficient number, since it is larger than the sum of its proper divisors (5576176157).

50011164643 is a wasteful number, since it uses less digits than its factorization.

50011164643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353322.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 50011164643 its reverse (34646111005), we get a palindrome (84657275648).

The spelling of 50011164643 in words is "fifty billion, eleven million, one hundred sixty-four thousand, six hundred forty-three".