49856899 has 2 divisors, whose sum is σ = 49856900. Its totient is φ = 49856898.

The previous prime is 49856879. The next prime is 49856923. The reversal of 49856899 is 99865894.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49856899 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49856879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24928449 + 24928450.

It is an arithmetic number, because the mean of its divisors is an integer number (24928450).

Almost surely, 2^49856899 is an apocalyptic number.

49856899 is a deficient number, since it is larger than the sum of its proper divisors (1).

49856899 is an equidigital number, since it uses as much as digits as its factorization.

49856899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 58.

The square root of 49856899 is about 7060.9417927073. The cubic root of 49856899 is about 368.0513549746.

The spelling of 49856899 in words is "forty-nine million, eight hundred fifty-six thousand, eight hundred ninety-nine".