50545997 has 2 divisors, whose sum is σ = 50545998. Its totient is φ = 50545996.

The previous prime is 50545991. The next prime is 50546011. The reversal of 50545997 is 79954505.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40119556 + 10426441 = 6334^2 + 3229^2 .

It is a cyclic number.

It is not a de Polignac number, because 50545997 - 2⁸ = 50545741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50545991) 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, 25272998 + 25272999.

It is an arithmetic number, because the mean of its divisors is an integer number (25272999).

Almost surely, 2^50545997 is an apocalyptic number.

It is an amenable number.

50545997 is a deficient number, since it is larger than the sum of its proper divisors (1).

50545997 is an equidigital number, since it uses as much as digits as its factorization.

50545997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 283500, while the sum is 44.

The square root of 50545997 is about 7109.5708027982. The cubic root of 50545997 is about 369.7392782190.

The spelling of 50545997 in words is "fifty million, five hundred forty-five thousand, nine hundred ninety-seven".