49809456 has 60 divisors (see below), whose sum is σ = 147604392. Its totient is φ = 15625728.

The previous prime is 49809407. The next prime is 49809479. The reversal of 49809456 is 65490894.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7726 + ... + 12621.

Almost surely, 2^49809456 is an apocalyptic number.

It is an amenable number.

49809456 is an abundant number, since it is smaller than the sum of its proper divisors (97794936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49809456 is a wasteful number, since it uses less digits than its factorization.

49809456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20378 (or 20369 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 49809456 is about 7057.5814554279. The cubic root of 49809456 is about 367.9345740650.

The spelling of 49809456 in words is "forty-nine million, eight hundred nine thousand, four hundred fifty-six".