50420057 has 2 divisors, whose sum is σ = 50420058. Its totient is φ = 50420056.

The previous prime is 50420023. The next prime is 50420087. The reversal of 50420057 is 75002405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32535616 + 17884441 = 5704^2 + 4229^2 .

It is a cyclic number.

It is not a de Polignac number, because 50420057 - 2¹² = 50415961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50420087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25210028 + 25210029.

It is an arithmetic number, because the mean of its divisors is an integer number (25210029).

Almost surely, 2^50420057 is an apocalyptic number.

It is an amenable number.

50420057 is a deficient number, since it is larger than the sum of its proper divisors (1).

50420057 is an equidigital number, since it uses as much as digits as its factorization.

50420057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 50420057 is about 7100.7082041160. The cubic root of 50420057 is about 369.4319430212.

The spelling of 50420057 in words is "fifty million, four hundred twenty thousand, fifty-seven".