49017321 has 12 divisors (see below), whose sum is σ = 74529520. Its totient is φ = 30958200.

The previous prime is 49017317. The next prime is 49017323. The reversal of 49017321 is 12371094.

49017321 is a `hidden beast` number, since 490 + 173 + 2 + 1 = 666.

It is not a de Polignac number, because 49017321 - 2² = 49017317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49017323) 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 11 ways as a sum of consecutive naturals, for example, 143155 + ... + 143496.

Almost surely, 2^49017321 is an apocalyptic number.

It is an amenable number.

49017321 is a deficient number, since it is larger than the sum of its proper divisors (25512199).

49017321 is a wasteful number, since it uses less digits than its factorization.

49017321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286676 (or 286673 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 49017321 is about 7001.2371049694. The cubic root of 49017321 is about 365.9736834970.

The spelling of 49017321 in words is "forty-nine million, seventeen thousand, three hundred twenty-one".