49108321 has 4 divisors (see below), whose sum is σ = 49594644. Its totient is φ = 48622000.

The previous prime is 49108307. The next prime is 49108327. The reversal of 49108321 is 12380194.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45360225 + 3748096 = 6735^2 + 1936^2 .

It is a cyclic number.

It is not a de Polignac number, because 49108321 - 2¹¹ = 49106273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49108321.

It is not an unprimeable number, because it can be changed into a prime (49108327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243010 + ... + 243211.

It is an arithmetic number, because the mean of its divisors is an integer number (12398661).

Almost surely, 2^49108321 is an apocalyptic number.

It is an amenable number.

49108321 is a deficient number, since it is larger than the sum of its proper divisors (486323).

49108321 is a wasteful number, since it uses less digits than its factorization.

49108321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486322.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 49108321 is about 7007.7329429709. The cubic root of 49108321 is about 366.2000185729.

It can be divided in two parts, 4910 and 8321, that added together give a palindrome (13231).

The spelling of 49108321 in words is "forty-nine million, one hundred eight thousand, three hundred twenty-one".