50556491 has 2 divisors, whose sum is σ = 50556492. Its totient is φ = 50556490.

The previous prime is 50556481. The next prime is 50556509. The reversal of 50556491 is 19465505.

50556491 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 is a cyclic number.

It is not a de Polignac number, because 50556491 - 2¹⁴ = 50540107 is a prime.

It is not a weakly prime, because it can be changed into another prime (50556421) 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, 25278245 + 25278246.

It is an arithmetic number, because the mean of its divisors is an integer number (25278246).

Almost surely, 2^50556491 is an apocalyptic number.

50556491 is a deficient number, since it is larger than the sum of its proper divisors (1).

50556491 is an equidigital number, since it uses as much as digits as its factorization.

50556491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 50556491 is about 7110.3087837308. The cubic root of 50556491 is about 369.7648639939.

The spelling of 50556491 in words is "fifty million, five hundred fifty-six thousand, four hundred ninety-one".