49888143 has 24 divisors (see below), whose sum is σ = 75129600. Its totient is φ = 33081048.

The previous prime is 49888141. The next prime is 49888147. The reversal of 49888143 is 34188894.

It is not a de Polignac number, because 49888143 - 2¹ = 49888141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49888141) 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 23 ways as a sum of consecutive naturals, for example, 57648 + ... + 58506.

It is an arithmetic number, because the mean of its divisors is an integer number (3130400).

Almost surely, 2^49888143 is an apocalyptic number.

49888143 is a deficient number, since it is larger than the sum of its proper divisors (25241457).

49888143 is an equidigital number, since it uses as much as digits as its factorization.

49888143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 1101 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 49888143 is about 7063.1538989321. The cubic root of 49888143 is about 368.1282216034.

It can be divided in two parts, 4988 and 8143, that added together give a palindrome (13131).

The spelling of 49888143 in words is "forty-nine million, eight hundred eighty-eight thousand, one hundred forty-three".