49809856 has 28 divisors (see below), whose sum is σ = 99075240. Its totient is φ = 24846080.

The previous prime is 49809841. The next prime is 49809857. The reversal of 49809856 is 65890894.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49809857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41586 + ... + 42766.

Almost surely, 2^49809856 is an apocalyptic number.

It is an amenable number.

49809856 is a deficient number, since it is larger than the sum of its proper divisors (49265384).

49809856 is a wasteful number, since it uses less digits than its factorization.

49809856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852 (or 1842 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 49809856 is about 7057.6097936908. The cubic root of 49809856 is about 367.9355589746.

The spelling of 49809856 in words is "forty-nine million, eight hundred nine thousand, eight hundred fifty-six".