50821544 has 8 divisors (see below), whose sum is σ = 95290410. Its totient is φ = 25410768.

The previous prime is 50821487. The next prime is 50821549. The reversal of 50821544 is 44512805.

50821544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 36457444 + 14364100 = 6038^2 + 3790^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (50821549) 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 as a sum of consecutive naturals, namely, 3176339 + ... + 3176354.

Almost surely, 2^50821544 is an apocalyptic number.

It is an amenable number.

50821544 is a deficient number, since it is larger than the sum of its proper divisors (44468866).

50821544 is a wasteful number, since it uses less digits than its factorization.

50821544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6352699 (or 6352695 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 50821544 is about 7128.9230603226. The cubic root of 50821544 is about 370.4099279418.

The spelling of 50821544 in words is "fifty million, eight hundred twenty-one thousand, five hundred forty-four".