49578064 has 40 divisors (see below), whose sum is σ = 100886400. Its totient is φ = 23557248.

The previous prime is 49578059. The next prime is 49578071. The reversal of 49578064 is 46087594.

It is a self number, because there is not a number n which added to its sum of digits gives 49578064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72894 + ... + 73570.

It is an arithmetic number, because the mean of its divisors is an integer number (2522160).

Almost surely, 2^49578064 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 49578064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50443200).

49578064 is an abundant number, since it is smaller than the sum of its proper divisors (51308336).

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

49578064 is a wasteful number, since it uses less digits than its factorization.

49578064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 49578064 is about 7041.1692210882. The cubic root of 49578064 is about 367.3639374752.

The spelling of 49578064 in words is "forty-nine million, five hundred seventy-eight thousand, sixty-four".