50770991 has 2 divisors, whose sum is σ = 50770992. Its totient is φ = 50770990.

The previous prime is 50770987. The next prime is 50771041. The reversal of 50770991 is 19907705.

50770991 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 50770991 - 2² = 50770987 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50770921) 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, 25385495 + 25385496.

It is an arithmetic number, because the mean of its divisors is an integer number (25385496).

Almost surely, 2^50770991 is an apocalyptic number.

50770991 is a deficient number, since it is larger than the sum of its proper divisors (1).

50770991 is an equidigital number, since it uses as much as digits as its factorization.

50770991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19845, while the sum is 38.

The square root of 50770991 is about 7125.3765514533. The cubic root of 50770991 is about 370.2870696430.

The spelling of 50770991 in words is "fifty million, seven hundred seventy thousand, nine hundred ninety-one".