49917312 has 48 divisors (see below), whose sum is σ = 143645580. Its totient is φ = 16638720.

The previous prime is 49917311. The next prime is 49917379. The reversal of 49917312 is 21371994.

49917312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49917311) 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 5 ways as a sum of consecutive naturals, for example, 20514 + ... + 22817.

Almost surely, 2^49917312 is an apocalyptic number.

It is an amenable number.

49917312 is an abundant number, since it is smaller than the sum of its proper divisors (93728268).

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

49917312 is a wasteful number, since it uses less digits than its factorization.

49917312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43351 (or 43336 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 49917312 is about 7065.2184679598. The cubic root of 49917312 is about 368.1999543463.

The spelling of 49917312 in words is "forty-nine million, nine hundred seventeen thousand, three hundred twelve".