50136402563 has 8 divisors (see below), whose sum is σ = 53996223456. Its totient is φ = 46277035200.

The previous prime is 50136402529. The next prime is 50136402571. The reversal of 50136402563 is 36520463105.

50136402563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50136402563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50136402583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136658 + ... + 344888.

It is an arithmetic number, because the mean of its divisors is an integer number (6749527932).

Almost surely, 2^50136402563 is an apocalyptic number.

50136402563 is a deficient number, since it is larger than the sum of its proper divisors (3859820893).

50136402563 is a wasteful number, since it uses less digits than its factorization.

50136402563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226765.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 50136402563 its reverse (36520463105), we get a palindrome (86656865668).

The spelling of 50136402563 in words is "fifty billion, one hundred thirty-six million, four hundred two thousand, five hundred sixty-three".