49935021 has 16 divisors (see below), whose sum is σ = 70371840. Its totient is φ = 31408560.

The previous prime is 49934999. The next prime is 49935023. The reversal of 49935021 is 12053994.

49935021 is a nontrivial binomial coefficient, being equal to C(9994, 2).

It is not a de Polignac number, because 49935021 - 2¹¹ = 49932973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49935023) 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, 13326 + ... + 16656.

It is an arithmetic number, because the mean of its divisors is an integer number (4398240).

Almost surely, 2^49935021 is an apocalyptic number.

49935021 is the 9993-rd triangular number and also the 4997-th hexagonal number.

It is an amenable number.

49935021 is a deficient number, since it is larger than the sum of its proper divisors (20436819).

49935021 is a wasteful number, since it uses less digits than its factorization.

49935021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 49935021 is about 7066.4716089432. The cubic root of 49935021 is about 368.2434908923.

The spelling of 49935021 in words is "forty-nine million, nine hundred thirty-five thousand, twenty-one".