49201903 has 4 divisors (see below), whose sum is σ = 50248800. Its totient is φ = 48155008.

The previous prime is 49201891. The next prime is 49201921. The reversal of 49201903 is 30910294.

It is a happy number.

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 49201903 - 2⁹ = 49201391 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 (49201993) 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, 523378 + ... + 523471.

It is an arithmetic number, because the mean of its divisors is an integer number (12562200).

Almost surely, 2^49201903 is an apocalyptic number.

49201903 is a deficient number, since it is larger than the sum of its proper divisors (1046897).

49201903 is a wasteful number, since it uses less digits than its factorization.

49201903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046896.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 49201903 is about 7014.4068174009. The cubic root of 49201903 is about 366.4324841649.

The spelling of 49201903 in words is "forty-nine million, two hundred one thousand, nine hundred three".