49965864 has 96 divisors (see below), whose sum is σ = 137733120. Its totient is φ = 15095808.

The previous prime is 49965859. The next prime is 49965887. The reversal of 49965864 is 46856994.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 393369 + ... + 393495.

It is an arithmetic number, because the mean of its divisors is an integer number (1434720).

Almost surely, 2^49965864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49965864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68866560).

49965864 is an abundant number, since it is smaller than the sum of its proper divisors (87767256).

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

49965864 is a wasteful number, since it uses less digits than its factorization.

49965864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 242 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 51.

The square root of 49965864 is about 7068.6536200326. The cubic root of 49965864 is about 368.3192920445.

The spelling of 49965864 in words is "forty-nine million, nine hundred sixty-five thousand, eight hundred sixty-four".