49385664 has 84 divisors (see below), whose sum is σ = 143399256. Its totient is φ = 16247808.

The previous prime is 49385647. The next prime is 49385701. The reversal of 49385664 is 46658394.

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, 47292 + ... + 48324.

It is an arithmetic number, because the mean of its divisors is an integer number (1707134).

Almost surely, 2^49385664 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 49385664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71699628).

49385664 is an abundant number, since it is smaller than the sum of its proper divisors (94013592).

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

49385664 is a wasteful number, since it uses less digits than its factorization.

49385664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134 (or 1121 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 49385664 is about 7027.4934364964. The cubic root of 49385664 is about 366.8881057263. Note that the first 3 decimals are identical.

The spelling of 49385664 in words is "forty-nine million, three hundred eighty-five thousand, six hundred sixty-four".