49499893 has 2 divisors, whose sum is σ = 49499894. Its totient is φ = 49499892.

The previous prime is 49499873. The next prime is 49499909. The reversal of 49499893 is 39899494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45724644 + 3775249 = 6762^2 + 1943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49499893 is a prime.

It is a super-2 number, since 2×49499893² = 4900478814022898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49499803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24749946 + 24749947.

It is an arithmetic number, because the mean of its divisors is an integer number (24749947).

Almost surely, 2^49499893 is an apocalyptic number.

It is an amenable number.

49499893 is a deficient number, since it is larger than the sum of its proper divisors (1).

49499893 is an equidigital number, since it uses as much as digits as its factorization.

49499893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 55.

The square root of 49499893 is about 7035.6160355722. The cubic root of 49499893 is about 367.1707585414.

The spelling of 49499893 in words is "forty-nine million, four hundred ninety-nine thousand, eight hundred ninety-three".