49906565 has 8 divisors (see below), whose sum is σ = 59927040. Its totient is φ = 39899152.

The previous prime is 49906561. The next prime is 49906579. The reversal of 49906565 is 56560994.

49906565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49906565 - 2² = 49906561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49906561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10196 + ... + 14274.

It is an arithmetic number, because the mean of its divisors is an integer number (7490880).

Almost surely, 2^49906565 is an apocalyptic number.

49906565 is the 4079-th octagonal number.

It is an amenable number.

49906565 is a deficient number, since it is larger than the sum of its proper divisors (10020475).

49906565 is a wasteful number, since it uses less digits than its factorization.

49906565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6531.

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 49906565 is about 7064.4578702120. The cubic root of 49906565 is about 368.1735284514.

The spelling of 49906565 in words is "forty-nine million, nine hundred six thousand, five hundred sixty-five".