50621173 has 2 divisors, whose sum is σ = 50621174. Its totient is φ = 50621172.

The previous prime is 50621147. The next prime is 50621231. The reversal of 50621173 is 37112605.

50621173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45131524 + 5489649 = 6718^2 + 2343^2 .

It is a cyclic number.

It is not a de Polignac number, because 50621173 - 2²⁵ = 17066741 is a prime.

It is equal to p_3036166 and since 50621173 and 3036166 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50651173) 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, 25310586 + 25310587.

It is an arithmetic number, because the mean of its divisors is an integer number (25310587).

Almost surely, 2^50621173 is an apocalyptic number.

It is an amenable number.

50621173 is a deficient number, since it is larger than the sum of its proper divisors (1).

50621173 is an equidigital number, since it uses as much as digits as its factorization.

50621173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 50621173 is about 7114.8557961493. The cubic root of 50621173 is about 369.9224892420.

Adding to 50621173 its reverse (37112605), we get a palindrome (87733778).

The spelling of 50621173 in words is "fifty million, six hundred twenty-one thousand, one hundred seventy-three".