49661357 has 2 divisors, whose sum is σ = 49661358. Its totient is φ = 49661356.

The previous prime is 49661351. The next prime is 49661407. The reversal of 49661357 is 75316694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37136836 + 12524521 = 6094^2 + 3539^2 .

It is a cyclic number.

It is not a de Polignac number, because 49661357 - 2⁴ = 49661341 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49661351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24830678 + 24830679.

It is an arithmetic number, because the mean of its divisors is an integer number (24830679).

Almost surely, 2^49661357 is an apocalyptic number.

It is an amenable number.

49661357 is a deficient number, since it is larger than the sum of its proper divisors (1).

49661357 is an equidigital number, since it uses as much as digits as its factorization.

49661357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 49661357 is about 7047.0814526299. The cubic root of 49661357 is about 367.5695507527.

The spelling of 49661357 in words is "forty-nine million, six hundred sixty-one thousand, three hundred fifty-seven".