50563681 has 8 divisors (see below), whose sum is σ = 59016960. Its totient is φ = 42417888.

The previous prime is 50563679. The next prime is 50563687. The reversal of 50563681 is 18636505.

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

It is a cyclic number.

It is not a de Polignac number, because 50563681 - 2¹ = 50563679 is a prime.

It is a super-2 number, since 2×50563681² = 5113371672539522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50563687) 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, 76516 + ... + 77173.

It is an arithmetic number, because the mean of its divisors is an integer number (7377120).

Almost surely, 2^50563681 is an apocalyptic number.

It is an amenable number.

50563681 is a deficient number, since it is larger than the sum of its proper divisors (8453279).

50563681 is a wasteful number, since it uses less digits than its factorization.

50563681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153743.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 50563681 is about 7110.8143696767. The cubic root of 50563681 is about 369.7823921312.

The spelling of 50563681 in words is "fifty million, five hundred sixty-three thousand, six hundred eighty-one".