50564081 has 4 divisors (see below), whose sum is σ = 52307700. Its totient is φ = 48820464.

The previous prime is 50564047. The next prime is 50564083. The reversal of 50564081 is 18046505.

It is a happy number.

50564081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18046505 = 5 ⋅3609301.

It can be written as a sum of positive squares in 2 ways, for example, as 35509681 + 15054400 = 5959^2 + 3880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50564081 is a prime.

It is a super-2 number, since 2×50564081² = 5113452574749122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 1743589 = 50564081 / (5 + 0 + 5 + 6 + 4 + 0 + 8 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50564083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871766 + ... + 871823.

It is an arithmetic number, because the mean of its divisors is an integer number (13076925).

Almost surely, 2^50564081 is an apocalyptic number.

It is an amenable number.

50564081 is a deficient number, since it is larger than the sum of its proper divisors (1743619).

50564081 is a wasteful number, since it uses less digits than its factorization.

50564081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743618.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 50564081 is about 7110.8424957947. The cubic root of 50564081 is about 369.7833672221.

The spelling of 50564081 in words is "fifty million, five hundred sixty-four thousand, eighty-one".