49645568 has 48 divisors (see below), whose sum is σ = 113480640. Its totient is φ = 21270528.

The previous prime is 49645553. The next prime is 49645571. The reversal of 49645568 is 86554694.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12605 + ... + 16067.

It is an arithmetic number, because the mean of its divisors is an integer number (2364180).

Almost surely, 2^49645568 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 49645568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56740320).

49645568 is an abundant number, since it is smaller than the sum of its proper divisors (63835072).

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

49645568 is an equidigital number, since it uses as much as digits as its factorization.

49645568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492 (or 3472 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 47.

The square root of 49645568 is about 7045.9611125807. The cubic root of 49645568 is about 367.5305924214.

It can be divided in two parts, 496 and 45568, that added together give a palindrome (46064).

The spelling of 49645568 in words is "forty-nine million, six hundred forty-five thousand, five hundred sixty-eight".