49999653 has 32 divisors (see below), whose sum is σ = 81868800. Its totient is φ = 29905200.

The previous prime is 49999643. The next prime is 49999667. The reversal of 49999653 is 35699994.

49999653 is a `hidden beast` number, since 499 + 99 + 65 + 3 = 666.

It is not a de Polignac number, because 49999653 - 2⁴ = 49999637 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49999653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999603) 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 31 ways as a sum of consecutive naturals, for example, 22398 + ... + 24528.

It is an arithmetic number, because the mean of its divisors is an integer number (2558400).

Almost surely, 2^49999653 is an apocalyptic number.

It is an amenable number.

49999653 is a deficient number, since it is larger than the sum of its proper divisors (31869147).

49999653 is a wasteful number, since it uses less digits than its factorization.

49999653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230 (or 2224 counting only the distinct ones).

The product of its digits is 2361960, while the sum is 54.

The square root of 49999653 is about 7071.0432752176. The cubic root of 49999653 is about 368.4022976228.

The spelling of 49999653 in words is "forty-nine million, nine hundred ninety-nine thousand, six hundred fifty-three".