49618864 has 20 divisors (see below), whose sum is σ = 97714480. Its totient is φ = 24402240.

The previous prime is 49618841. The next prime is 49618867. The reversal of 49618864 is 46881694.

It is not an unprimeable number, because it can be changed into a prime (49618867) 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, 24444 + ... + 26395.

It is an arithmetic number, because the mean of its divisors is an integer number (4885724).

Almost surely, 2^49618864 is an apocalyptic number.

It is an amenable number.

49618864 is a deficient number, since it is larger than the sum of its proper divisors (48095616).

49618864 is a wasteful number, since it uses less digits than its factorization.

49618864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50908 (or 50902 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 49618864 is about 7044.0658713558. The cubic root of 49618864 is about 367.4646832337.

The spelling of 49618864 in words is "forty-nine million, six hundred eighteen thousand, eight hundred sixty-four".