49191853 has 8 divisors (see below), whose sum is σ = 50573376. Its totient is φ = 47829600.

The previous prime is 49191851. The next prime is 49191881. The reversal of 49191853 is 35819194.

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

It is not a de Polignac number, because 49191853 - 2¹ = 49191851 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49191851) 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 in 7 ways as a sum of consecutive naturals, for example, 438 + ... + 9928.

It is an arithmetic number, because the mean of its divisors is an integer number (6321672).

It is a vampire number, since it can be written as 5183 ⋅ 9491 (with its own digits).

Almost surely, 2^49191853 is an apocalyptic number.

It is an amenable number.

49191853 is a deficient number, since it is larger than the sum of its proper divisors (1381523).

49191853 is an equidigital number, since it uses as much as digits as its factorization.

49191853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9635.

The product of its digits is 38880, while the sum is 40.

The square root of 49191853 is about 7013.6903980715. The cubic root of 49191853 is about 366.4075332517.

The spelling of 49191853 in words is "forty-nine million, one hundred ninety-one thousand, eight hundred fifty-three".