55744143 has 48 divisors (see below), whose sum is σ = 93461760. Its totient is φ = 28933632.

The previous prime is 55744127. The next prime is 55744193. The reversal of 55744143 is 34144755.

It is not a de Polignac number, because 55744143 - 2⁴ = 55744127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55744123) 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, 400968 + ... + 401106.

It is an arithmetic number, because the mean of its divisors is an integer number (1947120).

Almost surely, 2^55744143 is an apocalyptic number.

55744143 is a deficient number, since it is larger than the sum of its proper divisors (37717617).

55744143 is a wasteful number, since it uses less digits than its factorization.

55744143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 275 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 55744143 is about 7466.2000375023. The cubic root of 55744143 is about 382.0026840267.

Adding to 55744143 its reverse (34144755), we get a palindrome (89888898).

The spelling of 55744143 in words is "fifty-five million, seven hundred forty-four thousand, one hundred forty-three".