49103691 has 48 divisors (see below), whose sum is σ = 83365632. Its totient is φ = 25032960.

The previous prime is 49103683. The next prime is 49103711. The reversal of 49103691 is 19630194.

It is not a de Polignac number, because 49103691 - 2³ = 49103683 is a prime.

It is a super-2 number, since 2×49103691² = 4822344939646962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49103611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 458860 + ... + 458966.

It is an arithmetic number, because the mean of its divisors is an integer number (1736784).

Almost surely, 2^49103691 is an apocalyptic number.

49103691 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

49103691 is a deficient number, since it is larger than the sum of its proper divisors (34261941).

49103691 is a wasteful number, since it uses less digits than its factorization.

49103691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 49103691 is about 7007.4025858374. The cubic root of 49103691 is about 366.1885095975.

It can be divided in two parts, 49103 and 691, that added together give a palindrome (49794).

The spelling of 49103691 in words is "forty-nine million, one hundred three thousand, six hundred ninety-one".