50527991 has 2 divisors, whose sum is σ = 50527992. Its totient is φ = 50527990.

The previous prime is 50527969. The next prime is 50528017. The reversal of 50527991 is 19972505.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50527991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50527951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25263995 + 25263996.

It is an arithmetic number, because the mean of its divisors is an integer number (25263996).

Almost surely, 2^50527991 is an apocalyptic number.

50527991 is a deficient number, since it is larger than the sum of its proper divisors (1).

50527991 is an equidigital number, since it uses as much as digits as its factorization.

50527991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 50527991 is about 7108.3043688351. The cubic root of 50527991 is about 369.6953689315.

The spelling of 50527991 in words is "fifty million, five hundred twenty-seven thousand, nine hundred ninety-one".