49281568 has 96 divisors (see below), whose sum is σ = 117669888. Its totient is φ = 19872000.

The previous prime is 49281559. The next prime is 49281577. The reversal of 49281568 is 86518294.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (49281559) and next prime (49281577).

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, 326293 + ... + 326443.

It is an arithmetic number, because the mean of its divisors is an integer number (1225728).

Almost surely, 2^49281568 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 49281568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58834944).

49281568 is an abundant number, since it is smaller than the sum of its proper divisors (68388320).

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

49281568 is a wasteful number, since it uses less digits than its factorization.

49281568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 238 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 49281568 is about 7020.0831903903. The cubic root of 49281568 is about 366.6301465923.

The spelling of 49281568 in words is "forty-nine million, two hundred eighty-one thousand, five hundred sixty-eight".