49613664 has 96 divisors (see below), whose sum is σ = 137168640. Its totient is φ = 15680000.

The previous prime is 49613621. The next prime is 49613677. The reversal of 49613664 is 46631694.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197539 + ... + 197789.

It is an arithmetic number, because the mean of its divisors is an integer number (1428840).

Almost surely, 2^49613664 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 49613664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68584320).

49613664 is an abundant number, since it is smaller than the sum of its proper divisors (87554976).

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

49613664 is a wasteful number, since it uses less digits than its factorization.

49613664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 356 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 49613664 is about 7043.6967566754. The cubic root of 49613664 is about 367.4518461595.

The spelling of 49613664 in words is "forty-nine million, six hundred thirteen thousand, six hundred sixty-four".