49999305 has 16 divisors (see below), whose sum is σ = 81702144. Its totient is φ = 26098560.

The previous prime is 49999297. The next prime is 49999307. The reversal of 49999305 is 50399994.

It is not a de Polignac number, because 49999305 - 2³ = 49999297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49999307) 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 15 ways as a sum of consecutive naturals, for example, 34756 + ... + 36165.

It is an arithmetic number, because the mean of its divisors is an integer number (5106384).

Almost surely, 2^49999305 is an apocalyptic number.

It is an amenable number.

49999305 is a deficient number, since it is larger than the sum of its proper divisors (31702839).

49999305 is a wasteful number, since it uses less digits than its factorization.

49999305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70976.

The product of its (nonzero) digits is 393660, while the sum is 48.

The square root of 49999305 is about 7071.0186677734. The cubic root of 49999305 is about 368.4014429215.

Subtracting 49999305 from its reverse (50399994), we obtain a square (400689 = 633²).

The spelling of 49999305 in words is "forty-nine million, nine hundred ninety-nine thousand, three hundred five".