50626821 has 16 divisors (see below), whose sum is σ = 77286528. Its totient is φ = 28876800.

The previous prime is 50626789. The next prime is 50626831. The reversal of 50626821 is 12862605.

It is not a de Polignac number, because 50626821 - 2⁵ = 50626789 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50626831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11581 + ... + 15341.

It is an arithmetic number, because the mean of its divisors is an integer number (4830408).

Almost surely, 2^50626821 is an apocalyptic number.

It is an amenable number.

50626821 is a deficient number, since it is larger than the sum of its proper divisors (26659707).

50626821 is a wasteful number, since it uses less digits than its factorization.

50626821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4412.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 50626821 is about 7115.2527010641. The cubic root of 50626821 is about 369.9362466245.

The spelling of 50626821 in words is "fifty million, six hundred twenty-six thousand, eight hundred twenty-one".