49920912 has 120 divisors (see below), whose sum is σ = 147633408. Its totient is φ = 15724800.

The previous prime is 49920911. The next prime is 49920929. The reversal of 49920912 is 21902994.

It is a super-3 number, since 3×49920912³ (a number of 24 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (49920911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236487 + ... + 236697.

Almost surely, 2^49920912 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 49920912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73816704).

49920912 is an abundant number, since it is smaller than the sum of its proper divisors (97712496).

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

49920912 is a wasteful number, since it uses less digits than its factorization.

49920912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 49920912 is about 7065.4732325585. The cubic root of 49920912 is about 368.2088055705.

The spelling of 49920912 in words is "forty-nine million, nine hundred twenty thousand, nine hundred twelve".