49780003 has 32 divisors (see below), whose sum is σ = 63737856. Its totient is φ = 37836288.

The previous prime is 49780001. The next prime is 49780007. The reversal of 49780003 is 30008794.

It is a happy number.

It is not a de Polignac number, because 49780003 - 2¹ = 49780001 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (49780001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 440475 + ... + 440587.

It is an arithmetic number, because the mean of its divisors is an integer number (1991808).

Almost surely, 2^49780003 is an apocalyptic number.

49780003 is a deficient number, since it is larger than the sum of its proper divisors (13957853).

49780003 is a wasteful number, since it uses less digits than its factorization.

49780003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 49780003 is about 7055.4945255453. The cubic root of 49780003 is about 367.8620382150.

Adding to 49780003 its reverse (30008794), we get a palindrome (79788797).

The spelling of 49780003 in words is "forty-nine million, seven hundred eighty thousand, three".