1055437627543 has 4 divisors (see below), whose sum is σ = 1136625137368. Its totient is φ = 974250117720.

The previous prime is 1055437627507. The next prime is 1055437627547. The reversal of 1055437627543 is 3457267345501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1055437627543 - 2¹⁷ = 1055437496471 is a prime.

It is a super-2 number, since 2×1055437627543² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055437627547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40593754893 + ... + 40593754918.

It is an arithmetic number, because the mean of its divisors is an integer number (284156284342).

Almost surely, 2^{1055437627543} is an apocalyptic number.

1055437627543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1055437627543 is a deficient number, since it is larger than the sum of its proper divisors (81187509825).

1055437627543 is an equidigital number, since it uses as much as digits as its factorization.

1055437627543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81187509824.

The product of its (nonzero) digits is 10584000, while the sum is 52.

The spelling of 1055437627543 in words is "one trillion, fifty-five billion, four hundred thirty-seven million, six hundred twenty-seven thousand, five hundred forty-three".