49649359 has 4 divisors (see below), whose sum is σ = 49715704. Its totient is φ = 49583016.

The previous prime is 49649351. The next prime is 49649381. The reversal of 49649359 is 95394694.

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 49649359 - 2³ = 49649351 is a prime.

It is a super-2 number, since 2×49649359² = 4930117698221762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49649351) 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, 32037 + ... + 33550.

It is an arithmetic number, because the mean of its divisors is an integer number (12428926).

Almost surely, 2^49649359 is an apocalyptic number.

49649359 is a deficient number, since it is larger than the sum of its proper divisors (66345).

49649359 is an equidigital number, since it uses as much as digits as its factorization.

49649359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66344.

The product of its digits is 1049760, while the sum is 49.

The square root of 49649359 is about 7046.2301268125. The cubic root of 49649359 is about 367.5399472210.

The spelling of 49649359 in words is "forty-nine million, six hundred forty-nine thousand, three hundred fifty-nine".