49686761 has 2 divisors, whose sum is σ = 49686762. Its totient is φ = 49686760.

The previous prime is 49686743. The next prime is 49686779. The reversal of 49686761 is 16768694.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (49686743) and next prime (49686779).

It can be written as a sum of positive squares in only one way, i.e., 47265625 + 2421136 = 6875^2 + 1556^2 .

It is a cyclic number.

It is not a de Polignac number, because 49686761 - 2¹⁰ = 49685737 is a prime.

It is a super-2 number, since 2×49686761² = 4937548437342242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49686361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24843380 + 24843381.

It is an arithmetic number, because the mean of its divisors is an integer number (24843381).

Almost surely, 2^49686761 is an apocalyptic number.

It is an amenable number.

49686761 is a deficient number, since it is larger than the sum of its proper divisors (1).

49686761 is an equidigital number, since it uses as much as digits as its factorization.

49686761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 47.

The square root of 49686761 is about 7048.8836704829. The cubic root of 49686761 is about 367.6322161439.

The spelling of 49686761 in words is "forty-nine million, six hundred eighty-six thousand, seven hundred sixty-one".