49440003 has 4 divisors (see below), whose sum is σ = 65920008. Its totient is φ = 32960000.

The previous prime is 49439993. The next prime is 49440007. The reversal of 49440003 is 30004494.

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

It is a cyclic number.

It is not a de Polignac number, because 49440003 - 2⁴ = 49439987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49440007) 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, 8239998 + ... + 8240003.

It is an arithmetic number, because the mean of its divisors is an integer number (16480002).

Almost surely, 2^49440003 is an apocalyptic number.

49440003 is a deficient number, since it is larger than the sum of its proper divisors (16480005).

49440003 is a wasteful number, since it uses less digits than its factorization.

49440003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16480004.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 49440003 is about 7031.3585458288. The cubic root of 49440003 is about 367.0226186170.

Adding to 49440003 its reverse (30004494), we get a palindrome (79444497).

The spelling of 49440003 in words is "forty-nine million, four hundred forty thousand, three".