1055043543 has 8 divisors (see below), whose sum is σ = 1408515328. Its totient is φ = 702467064.

The previous prime is 1055043481. The next prime is 1055043559. The reversal of 1055043543 is 3453405501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1055043543 - 2¹⁴ = 1055027159 is a prime.

It is a super-2 number, since 2×1055043543² = 2226233755251985698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1055043543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055043043) 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, 221071 + ... + 225792.

It is an arithmetic number, because the mean of its divisors is an integer number (176064416).

Almost surely, 2^1055043543 is an apocalyptic number.

1055043543 is a deficient number, since it is larger than the sum of its proper divisors (353471785).

1055043543 is an equidigital number, since it uses as much as digits as its factorization.

1055043543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447653.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1055043543 is about 32481.4338199532. The cubic root of 1055043543 is about 1018.0211354865.

The spelling of 1055043543 in words is "one billion, fifty-five million, forty-three thousand, five hundred forty-three".