49903321 has 8 divisors (see below), whose sum is σ = 54653760. Its totient is φ = 45283152.

The previous prime is 49903303. The next prime is 49903327. The reversal of 49903321 is 12330994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49903321 - 2⁷ = 49903193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49903327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31765 + ... + 33298.

It is an arithmetic number, because the mean of its divisors is an integer number (6831720).

Almost surely, 2^49903321 is an apocalyptic number.

It is an amenable number.

49903321 is a deficient number, since it is larger than the sum of its proper divisors (4750439).

49903321 is a wasteful number, since it uses less digits than its factorization.

49903321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65135.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 49903321 is about 7064.2282664138. The cubic root of 49903321 is about 368.1655510052.

The spelling of 49903321 in words is "forty-nine million, nine hundred three thousand, three hundred twenty-one".