49811321 has 4 divisors (see below), whose sum is σ = 56927232. Its totient is φ = 42695412.

The previous prime is 49811297. The next prime is 49811323. The reversal of 49811321 is 12311894.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49811321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49811323) 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, 3557945 + ... + 3557958.

It is an arithmetic number, because the mean of its divisors is an integer number (14231808).

Almost surely, 2^49811321 is an apocalyptic number.

It is an amenable number.

49811321 is a deficient number, since it is larger than the sum of its proper divisors (7115911).

49811321 is an equidigital number, since it uses as much as digits as its factorization.

49811321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7115910.

The product of its digits is 1728, while the sum is 29.

The square root of 49811321 is about 7057.7135816070. The cubic root of 49811321 is about 367.9391661611.

The spelling of 49811321 in words is "forty-nine million, eight hundred eleven thousand, three hundred twenty-one".