49091803 has 2 divisors, whose sum is σ = 49091804. Its totient is φ = 49091802.

The previous prime is 49091789. The next prime is 49091807. The reversal of 49091803 is 30819094.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49091803 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (49091807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24545901 + 24545902.

It is an arithmetic number, because the mean of its divisors is an integer number (24545902).

Almost surely, 2^49091803 is an apocalyptic number.

49091803 is a deficient number, since it is larger than the sum of its proper divisors (1).

49091803 is an equidigital number, since it uses as much as digits as its factorization.

49091803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 49091803 is about 7006.5542886643. The cubic root of 49091803 is about 366.1589558086.

It can be divided in two parts, 49091 and 803, that added together give a palindrome (49894).

The spelling of 49091803 in words is "forty-nine million, ninety-one thousand, eight hundred three".