49211503 has 4 divisors (see below), whose sum is σ = 53685288. Its totient is φ = 44737720.

The previous prime is 49211489. The next prime is 49211509. The reversal of 49211503 is 30511294.

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 49211503 - 2⁵ = 49211471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49211509) 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 3 ways as a sum of consecutive naturals, for example, 2236876 + ... + 2236897.

It is an arithmetic number, because the mean of its divisors is an integer number (13421322).

Almost surely, 2^49211503 is an apocalyptic number.

49211503 is a deficient number, since it is larger than the sum of its proper divisors (4473785).

49211503 is a wasteful number, since it uses less digits than its factorization.

49211503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473784.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 49211503 is about 7015.0910899289. The cubic root of 49211503 is about 366.4563147004.

Adding to 49211503 its reverse (30511294), we get a palindrome (79722797).

The spelling of 49211503 in words is "forty-nine million, two hundred eleven thousand, five hundred three".