49449312 has 192 divisors, whose sum is σ = 162328320. Its totient is φ = 14636160.

The previous prime is 49449307. The next prime is 49449313. The reversal of 49449312 is 21394494.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49449313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1149963 + ... + 1150005.

It is an arithmetic number, because the mean of its divisors is an integer number (845460).

Almost surely, 2^49449312 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 49449312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81164160).

49449312 is an abundant number, since it is smaller than the sum of its proper divisors (112879008).

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

49449312 is a wasteful number, since it uses less digits than its factorization.

49449312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 59 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 49449312 is about 7032.0204777859. The cubic root of 49449312 is about 367.0456525904.

The spelling of 49449312 in words is "forty-nine million, four hundred forty-nine thousand, three hundred twelve".