49838857 has 2 divisors, whose sum is σ = 49838858. Its totient is φ = 49838856.

The previous prime is 49838851. The next prime is 49838911. The reversal of 49838857 is 75883894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41100921 + 8737936 = 6411^2 + 2956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49838857 is a prime.

It is not a weakly prime, because it can be changed into another prime (49838851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24919428 + 24919429.

It is an arithmetic number, because the mean of its divisors is an integer number (24919429).

Almost surely, 2^49838857 is an apocalyptic number.

It is an amenable number.

49838857 is a deficient number, since it is larger than the sum of its proper divisors (1).

49838857 is an equidigital number, since it uses as much as digits as its factorization.

49838857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 52.

The square root of 49838857 is about 7059.6640854930. The cubic root of 49838857 is about 368.0069533382.

The spelling of 49838857 in words is "forty-nine million, eight hundred thirty-eight thousand, eight hundred fifty-seven".