555140543 has 4 divisors (see below), whose sum is σ = 555200520. Its totient is φ = 555080568.

The previous prime is 555140513. The next prime is 555140557. The reversal of 555140543 is 345041555.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 555140543 - 2⁶ = 555140479 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 (555140513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12833 + ... + 35706.

It is an arithmetic number, because the mean of its divisors is an integer number (138800130).

Almost surely, 2^555140543 is an apocalyptic number.

555140543 is a deficient number, since it is larger than the sum of its proper divisors (59977).

555140543 is a wasteful number, since it uses less digits than its factorization.

555140543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59976.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 555140543 is about 23561.4206490186. The cubic root of 555140543 is about 821.8659386549.

The spelling of 555140543 in words is "five hundred fifty-five million, one hundred forty thousand, five hundred forty-three".