49321216 has 72 divisors (see below), whose sum is σ = 119206080. Its totient is φ = 19881984.

The previous prime is 49321183. The next prime is 49321247. The reversal of 49321216 is 61212394.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29655 + ... + 31273.

It is an arithmetic number, because the mean of its divisors is an integer number (1655640).

Almost surely, 2^49321216 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 49321216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59603040).

49321216 is an abundant number, since it is smaller than the sum of its proper divisors (69884864).

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

49321216 is a wasteful number, since it uses less digits than its factorization.

49321216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659 (or 1645 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 49321216 is about 7022.9065208075. The cubic root of 49321216 is about 366.7284406481.

The spelling of 49321216 in words is "forty-nine million, three hundred twenty-one thousand, two hundred sixteen".