49665128 has 16 divisors (see below), whose sum is σ = 93857280. Its totient is φ = 24636528.

The previous prime is 49665089. The next prime is 49665151. The reversal of 49665128 is 82156694.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23426 + ... + 25457.

It is an arithmetic number, because the mean of its divisors is an integer number (5866080).

Almost surely, 2^49665128 is an apocalyptic number.

It is an amenable number.

49665128 is a deficient number, since it is larger than the sum of its proper divisors (44192152).

49665128 is a wasteful number, since it uses less digits than its factorization.

49665128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49016 (or 49012 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 49665128 is about 7047.3490051224. The cubic root of 49665128 is about 367.5788542285.

The spelling of 49665128 in words is "forty-nine million, six hundred sixty-five thousand, one hundred twenty-eight".