49803857 has 2 divisors, whose sum is σ = 49803858. Its totient is φ = 49803856.

The previous prime is 49803841. The next prime is 49803907. The reversal of 49803857 is 75830894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34562641 + 15241216 = 5879^2 + 3904^2 .

It is a cyclic number.

It is not a de Polignac number, because 49803857 - 2⁴ = 49803841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49803827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24901928 + 24901929.

It is an arithmetic number, because the mean of its divisors is an integer number (24901929).

Almost surely, 2^49803857 is an apocalyptic number.

It is an amenable number.

49803857 is a deficient number, since it is larger than the sum of its proper divisors (1).

49803857 is an equidigital number, since it uses as much as digits as its factorization.

49803857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 49803857 is about 7057.1847786493. The cubic root of 49803857 is about 367.9207872393.

The spelling of 49803857 in words is "forty-nine million, eight hundred three thousand, eight hundred fifty-seven".