49859893 has 2 divisors, whose sum is σ = 49859894. Its totient is φ = 49859892.

The previous prime is 49859881. The next prime is 49859899. The reversal of 49859893 is 39895894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38415204 + 11444689 = 6198^2 + 3383^2 .

It is a cyclic number.

It is not a de Polignac number, because 49859893 - 2¹⁷ = 49728821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49859899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24929946 + 24929947.

It is an arithmetic number, because the mean of its divisors is an integer number (24929947).

Almost surely, 2^49859893 is an apocalyptic number.

It is an amenable number.

49859893 is a deficient number, since it is larger than the sum of its proper divisors (1).

49859893 is an equidigital number, since it uses as much as digits as its factorization.

49859893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 55.

The square root of 49859893 is about 7061.1538009025. The cubic root of 49859893 is about 368.0587222178.

It can be divided in two parts, 4985 and 9893, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 49859893 in words is "forty-nine million, eight hundred fifty-nine thousand, eight hundred ninety-three".