49798191 has 16 divisors (see below), whose sum is σ = 69636960. Its totient is φ = 31610880.

The previous prime is 49798187. The next prime is 49798201. The reversal of 49798191 is 19189794.

It is not a de Polignac number, because 49798191 - 2² = 49798187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49798191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49798181) 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, 2431 + ... + 10271.

It is an arithmetic number, because the mean of its divisors is an integer number (4352310).

Almost surely, 2^49798191 is an apocalyptic number.

49798191 is a deficient number, since it is larger than the sum of its proper divisors (19838769).

49798191 is a wasteful number, since it uses less digits than its factorization.

49798191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7946.

The product of its digits is 163296, while the sum is 48.

The square root of 49798191 is about 7056.7833323689. The cubic root of 49798191 is about 367.9068343826.

The spelling of 49798191 in words is "forty-nine million, seven hundred ninety-eight thousand, one hundred ninety-one".