49479912 has 48 divisors (see below), whose sum is σ = 135720000. Its totient is φ = 16282656.

The previous prime is 49479889. The next prime is 49479917. The reversal of 49479912 is 21997494.

It is a happy number.

49479912 is a `hidden beast` number, since 494 + 79 + 91 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (49479917) 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 11 ways as a sum of consecutive naturals, for example, 1339 + ... + 10037.

It is an arithmetic number, because the mean of its divisors is an integer number (2827500).

Almost surely, 2^49479912 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 49479912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67860000).

49479912 is an abundant number, since it is smaller than the sum of its proper divisors (86240088).

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

49479912 is a wasteful number, since it uses less digits than its factorization.

49479912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8790 (or 8783 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 49479912 is about 7034.1959028733. The cubic root of 49479912 is about 367.1213481566.

The spelling of 49479912 in words is "forty-nine million, four hundred seventy-nine thousand, nine hundred twelve".