50544581 has 2 divisors, whose sum is σ = 50544582. Its totient is φ = 50544580.

The previous prime is 50544569. The next prime is 50544583. The reversal of 50544581 is 18544505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49928356 + 616225 = 7066^2 + 785^2 .

It is a cyclic number.

It is not a de Polignac number, because 50544581 - 2⁶ = 50544517 is a prime.

It is a super-2 number, since 2×50544581² = 5109509336931122, which contains 22 as substring.

Together with 50544583, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50544583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25272290 + 25272291.

It is an arithmetic number, because the mean of its divisors is an integer number (25272291).

Almost surely, 2^50544581 is an apocalyptic number.

It is an amenable number.

50544581 is a deficient number, since it is larger than the sum of its proper divisors (1).

50544581 is an equidigital number, since it uses as much as digits as its factorization.

50544581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 50544581 is about 7109.4712180302. The cubic root of 50544581 is about 369.7358255505.

The spelling of 50544581 in words is "fifty million, five hundred forty-four thousand, five hundred eighty-one".