49969757 has 2 divisors, whose sum is σ = 49969758. Its totient is φ = 49969756.

The previous prime is 49969747. The next prime is 49969763. The reversal of 49969757 is 75796994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40691641 + 9278116 = 6379^2 + 3046^2 .

It is a cyclic number.

It is not a de Polignac number, because 49969757 - 2¹⁰ = 49968733 is a prime.

It is a super-2 number, since 2×49969757² = 4993953229278098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49969727) 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, 24984878 + 24984879.

It is an arithmetic number, because the mean of its divisors is an integer number (24984879).

Almost surely, 2^49969757 is an apocalyptic number.

It is an amenable number.

49969757 is a deficient number, since it is larger than the sum of its proper divisors (1).

49969757 is an equidigital number, since it uses as much as digits as its factorization.

49969757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4286520, while the sum is 56.

The square root of 49969757 is about 7068.9289853556. The cubic root of 49969757 is about 368.3288574401.

The spelling of 49969757 in words is "forty-nine million, nine hundred sixty-nine thousand, seven hundred fifty-seven".