49691903 has 8 divisors (see below), whose sum is σ = 50647968. Its totient is φ = 48743424.

The previous prime is 49691879. The next prime is 49691923. The reversal of 49691903 is 30919694.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49691903 - 2⁸ = 49691647 is a prime.

It is a super-2 number, since 2×49691903² = 4938570447522818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49691923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12326 + ... + 15852.

It is an arithmetic number, because the mean of its divisors is an integer number (6330996).

Almost surely, 2^49691903 is an apocalyptic number.

49691903 is a deficient number, since it is larger than the sum of its proper divisors (956065).

49691903 is a wasteful number, since it uses less digits than its factorization.

49691903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 49691903 is about 7049.2483996523. The cubic root of 49691903 is about 367.6448975880.

The spelling of 49691903 in words is "forty-nine million, six hundred ninety-one thousand, nine hundred three".