49519903 has 2 divisors, whose sum is σ = 49519904. Its totient is φ = 49519902.

The previous prime is 49519843. The next prime is 49519913. The reversal of 49519903 is 30991594.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49519903 - 2¹⁷ = 49388831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49519913) 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 as a sum of consecutive naturals, namely, 24759951 + 24759952.

It is an arithmetic number, because the mean of its divisors is an integer number (24759952).

Almost surely, 2^49519903 is an apocalyptic number.

49519903 is a deficient number, since it is larger than the sum of its proper divisors (1).

49519903 is an equidigital number, since it uses as much as digits as its factorization.

49519903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 49519903 is about 7037.0379422027. The cubic root of 49519903 is about 367.2202273156.

It can be divided in two parts, 4951 and 9903, that multiplied together give a triangular number (49029753 = T₉₉₀₂).

The spelling of 49519903 in words is "forty-nine million, five hundred nineteen thousand, nine hundred three".