5545731243 has 32 divisors (see below), whose sum is σ = 8088897600. Its totient is φ = 3359195136.

The previous prime is 5545731223. The next prime is 5545731251. The reversal of 5545731243 is 3421375455.

It is not a de Polignac number, because 5545731243 - 2⁶ = 5545731179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (5545731203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 791371 + ... + 798347.

It is an arithmetic number, because the mean of its divisors is an integer number (252778050).

Almost surely, 2^5545731243 is an apocalyptic number.

5545731243 is a deficient number, since it is larger than the sum of its proper divisors (2543166357).

5545731243 is a wasteful number, since it uses less digits than its factorization.

5545731243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7311.

The product of its digits is 252000, while the sum is 39.

The square root of 5545731243 is about 74469.6665965412. Note that the first 3 decimals coincide. The cubic root of 5545731243 is about 1770.0530103183.

The spelling of 5545731243 in words is "five billion, five hundred forty-five million, seven hundred thirty-one thousand, two hundred forty-three".