49998787 has 4 divisors (see below), whose sum is σ = 50142400. Its totient is φ = 49855176.

The previous prime is 49998779. The next prime is 49998791. The reversal of 49998787 is 78789994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49998787 - 2³ = 49998779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49998727) 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 in 3 ways as a sum of consecutive naturals, for example, 71283 + ... + 71980.

It is an arithmetic number, because the mean of its divisors is an integer number (12535600).

Almost surely, 2^49998787 is an apocalyptic number.

49998787 is a deficient number, since it is larger than the sum of its proper divisors (143613).

49998787 is a wasteful number, since it uses less digits than its factorization.

49998787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143612.

The product of its digits is 9144576, while the sum is 61.

The square root of 49998787 is about 7070.9820392927. The cubic root of 49998787 is about 368.4001706865.

The spelling of 49998787 in words is "forty-nine million, nine hundred ninety-eight thousand, seven hundred eighty-seven".