49447688 has 32 divisors (see below), whose sum is σ = 96341400. Its totient is φ = 23772672.

The previous prime is 49447667. The next prime is 49447693. The reversal of 49447688 is 88674494.

It can be written as a sum of positive squares in 4 ways, for example, as 45995524 + 3452164 = 6782^2 + 1858^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25406 + ... + 27282.

Almost surely, 2^49447688 is an apocalyptic number.

It is an amenable number.

49447688 is a deficient number, since it is larger than the sum of its proper divisors (46893712).

49447688 is a wasteful number, since it uses less digits than its factorization.

49447688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009 (or 2005 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 50.

The square root of 49447688 is about 7031.9050050466. The cubic root of 49447688 is about 367.0416344107.

The spelling of 49447688 in words is "forty-nine million, four hundred forty-seven thousand, six hundred eighty-eight".