2055543427042 has 24 divisors (see below), whose sum is σ = 3587094253980. Its totient is φ = 880853672160.

The previous prime is 2055543427037. The next prime is 2055543427057. The reversal of 2055543427042 is 2407243455502.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2043244395241 + 12299031801 = 1429421^2 + 110901^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2055543427042.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181317 + ... + 2035672.

Almost surely, 2^{2055543427042} is an apocalyptic number.

2055543427042 is a deficient number, since it is larger than the sum of its proper divisors (1531550826938).

2055543427042 is a wasteful number, since it uses less digits than its factorization.

2055543427042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226466 (or 2226459 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 43.

The spelling of 2055543427042 in words is "two trillion, fifty-five billion, five hundred forty-three million, four hundred twenty-seven thousand, forty-two".