50821546 has 4 divisors (see below), whose sum is σ = 76232322. Its totient is φ = 25410772.

The previous prime is 50821487. The next prime is 50821549. The reversal of 50821546 is 64512805.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 45037521 + 5784025 = 6711^2 + 2405^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (50821549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12705385 + ... + 12705388.

Almost surely, 2^50821546 is an apocalyptic number.

50821546 is a deficient number, since it is larger than the sum of its proper divisors (25410776).

50821546 is a wasteful number, since it uses less digits than its factorization.

50821546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25410775.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 50821546 is about 7128.9232005963. The cubic root of 50821546 is about 370.4099328008.

The spelling of 50821546 in words is "fifty million, eight hundred twenty-one thousand, five hundred forty-six".