49307977 has 2 divisors, whose sum is σ = 49307978. Its totient is φ = 49307976.

The previous prime is 49307963. The next prime is 49308019. The reversal of 49307977 is 77970394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49266361 + 41616 = 7019^2 + 204^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49307977 is a prime.

It is not a weakly prime, because it can be changed into another prime (49307077) 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, 24653988 + 24653989.

It is an arithmetic number, because the mean of its divisors is an integer number (24653989).

Almost surely, 2^49307977 is an apocalyptic number.

It is an amenable number.

49307977 is a deficient number, since it is larger than the sum of its proper divisors (1).

49307977 is an equidigital number, since it uses as much as digits as its factorization.

49307977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 333396, while the sum is 46.

The square root of 49307977 is about 7021.9638990812. The cubic root of 49307977 is about 366.6956248020.

The spelling of 49307977 in words is "forty-nine million, three hundred seven thousand, nine hundred seventy-seven".