49827857 has 2 divisors, whose sum is σ = 49827858. Its totient is φ = 49827856.

The previous prime is 49827851. The next prime is 49827929. The reversal of 49827857 is 75872894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45144961 + 4682896 = 6719^2 + 2164^2 .

It is a cyclic number.

It is not a de Polignac number, because 49827857 - 2⁸ = 49827601 is a prime.

It is not a weakly prime, because it can be changed into another prime (49827851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24913928 + 24913929.

It is an arithmetic number, because the mean of its divisors is an integer number (24913929).

Almost surely, 2^49827857 is an apocalyptic number.

It is an amenable number.

49827857 is a deficient number, since it is larger than the sum of its proper divisors (1).

49827857 is an equidigital number, since it uses as much as digits as its factorization.

49827857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 50.

The square root of 49827857 is about 7058.8849686052. The cubic root of 49827857 is about 367.9798769124.

The spelling of 49827857 in words is "forty-nine million, eight hundred twenty-seven thousand, eight hundred fifty-seven".