49143853 has 8 divisors (see below), whose sum is σ = 53909856. Its totient is φ = 44427600.

The previous prime is 49143851. The next prime is 49143859. The reversal of 49143853 is 35834194.

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 49143853 - 2¹ = 49143851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49143851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10351 + ... + 14332.

It is an arithmetic number, because the mean of its divisors is an integer number (6738732).

Almost surely, 2^49143853 is an apocalyptic number.

It is an amenable number.

49143853 is a deficient number, since it is larger than the sum of its proper divisors (4766003).

49143853 is a wasteful number, since it uses less digits than its factorization.

49143853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24875.

The product of its digits is 51840, while the sum is 37.

The square root of 49143853 is about 7010.2676839048. The cubic root of 49143853 is about 366.2883178118.

It can be divided in two parts, 491 and 43853, that added together give a palindrome (44344).

The spelling of 49143853 in words is "forty-nine million, one hundred forty-three thousand, eight hundred fifty-three".