49057769 has 2 divisors, whose sum is σ = 49057770. Its totient is φ = 49057768.

The previous prime is 49057721. The next prime is 49057787. The reversal of 49057769 is 96775094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48832144 + 225625 = 6988^2 + 475^2 .

It is a cyclic number.

It is not a de Polignac number, because 49057769 - 2¹⁶ = 48992233 is a prime.

It is a super-2 number, since 2×49057769² = 4813329398514722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49057369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24528884 + 24528885.

It is an arithmetic number, because the mean of its divisors is an integer number (24528885).

Almost surely, 2^49057769 is an apocalyptic number.

It is an amenable number.

49057769 is a deficient number, since it is larger than the sum of its proper divisors (1).

49057769 is an equidigital number, since it uses as much as digits as its factorization.

49057769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 49057769 is about 7004.1251416576. The cubic root of 49057769 is about 366.0743202613.

The spelling of 49057769 in words is "forty-nine million, fifty-seven thousand, seven hundred sixty-nine".