49920136 has 64 divisors (see below), whose sum is σ = 112752000. Its totient is φ = 20267520.

The previous prime is 49920131. The next prime is 49920139. The reversal of 49920136 is 63102994.

49920136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (49920131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95556 + ... + 96076.

It is an arithmetic number, because the mean of its divisors is an integer number (1761750).

Almost surely, 2^49920136 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 49920136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56376000).

49920136 is an abundant number, since it is smaller than the sum of its proper divisors (62831864).

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

49920136 is a wasteful number, since it uses less digits than its factorization.

49920136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 49920136 is about 7065.4183174105. The cubic root of 49920136 is about 368.2068976760.

The spelling of 49920136 in words is "forty-nine million, nine hundred twenty thousand, one hundred thirty-six".