49105903 has 16 divisors (see below), whose sum is σ = 63336960. Its totient is φ = 36943200.

The previous prime is 49105883. The next prime is 49105913. The reversal of 49105903 is 30950194.

It is not a de Polignac number, because 49105903 - 2²¹ = 47008751 is a prime.

It is a super-2 number, since 2×49105903² = 4822779418890818, 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 (49105913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8763 + ... + 13228.

It is an arithmetic number, because the mean of its divisors is an integer number (3958560).

Almost surely, 2^49105903 is an apocalyptic number.

49105903 is a deficient number, since it is larger than the sum of its proper divisors (14231057).

49105903 is a wasteful number, since it uses less digits than its factorization.

49105903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22038.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 49105903 is about 7007.5604171495. The cubic root of 49105903 is about 366.1940081442.

The spelling of 49105903 in words is "forty-nine million, one hundred five thousand, nine hundred three".