2042555543 has 12 divisors (see below), whose sum is σ = 2376809712. Its totient is φ = 1750190400.

The previous prime is 2042555539. The next prime is 2042555587. The reversal of 2042555543 is 3455552402.

It is not a de Polignac number, because 2042555543 - 2² = 2042555539 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 (2042555243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223718 + ... + 232668.

It is an arithmetic number, because the mean of its divisors is an integer number (198067476).

Almost surely, 2^2042555543 is an apocalyptic number.

2042555543 is a deficient number, since it is larger than the sum of its proper divisors (334254169).

2042555543 is an equidigital number, since it uses as much as digits as its factorization.

2042555543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13622 (or 13615 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The square root of 2042555543 is about 45194.6406446605. The cubic root of 2042555543 is about 1268.7945125881.

The spelling of 2042555543 in words is "two billion, forty-two million, five hundred fifty-five thousand, five hundred forty-three".