49968517 has 2 divisors, whose sum is σ = 49968518. Its totient is φ = 49968516.

The previous prime is 49968511. The next prime is 49968539. The reversal of 49968517 is 71586994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44742721 + 5225796 = 6689^2 + 2286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49968517 is a prime.

It is a super-3 number, since 3×49968517³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49968511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24984258 + 24984259.

It is an arithmetic number, because the mean of its divisors is an integer number (24984259).

Almost surely, 2^49968517 is an apocalyptic number.

It is an amenable number.

49968517 is a deficient number, since it is larger than the sum of its proper divisors (1).

49968517 is an equidigital number, since it uses as much as digits as its factorization.

49968517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 49.

The square root of 49968517 is about 7068.8412770411. The cubic root of 49968517 is about 368.3258107202.

The spelling of 49968517 in words is "forty-nine million, nine hundred sixty-eight thousand, five hundred seventeen".