50791563 has 32 divisors (see below), whose sum is σ = 80179200. Its totient is φ = 31667328.

The previous prime is 50791523. The next prime is 50791571. The reversal of 50791563 is 36519705.

It is a happy number.

50791563 is a `hidden beast` number, since 5 + 0 + 7 + 91 + 563 = 666.

It is not a de Polignac number, because 50791563 - 2¹² = 50787467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50791523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109470 + ... + 109932.

It is an arithmetic number, because the mean of its divisors is an integer number (2505600).

Almost surely, 2^50791563 is an apocalyptic number.

50791563 is a deficient number, since it is larger than the sum of its proper divisors (29387637).

50791563 is a wasteful number, since it uses less digits than its factorization.

50791563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 50791563 is about 7126.8199780828. The cubic root of 50791563 is about 370.3370753439.

The spelling of 50791563 in words is "fifty million, seven hundred ninety-one thousand, five hundred sixty-three".