49001 has 4 divisors (see below), whose sum is σ = 51600. Its totient is φ = 46404.

The previous prime is 48991. The next prime is 49003. The reversal of 49001 is 10094.

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 not a de Polignac number, because 49001 - 2¹⁰ = 47977 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 49001.

It is not an unprimeable number, because it can be changed into a prime (49003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271 + ... + 1308.

It is an arithmetic number, because the mean of its divisors is an integer number (12900).

2⁴⁹⁰⁰¹ is an apocalyptic number.

It is an amenable number.

49001 is a deficient number, since it is larger than the sum of its proper divisors (2599).

49001 is a wasteful number, since it uses less digits than its factorization.

49001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 49001 is about 221.3616949700. The cubic root of 49001 is about 36.5933060309.

Adding to 49001 its reverse (10094), we get a palindrome (59095).

The spelling of 49001 in words is "forty-nine thousand, one".