5556143 has 2 divisors, whose sum is σ = 5556144. Its totient is φ = 5556142.

The previous prime is 5556137. The next prime is 5556167. The reversal of 5556143 is 3416555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5556143 - 2⁶ = 5556079 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5556193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2778071 + 2778072.

It is an arithmetic number, because the mean of its divisors is an integer number (2778072).

Almost surely, 2^5556143 is an apocalyptic number.

5556143 is a deficient number, since it is larger than the sum of its proper divisors (1).

5556143 is an equidigital number, since it uses as much as digits as its factorization.

5556143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 29.

The square root of 5556143 is about 2357.1472164462. The cubic root of 5556143 is about 177.1160038391.

The spelling of 5556143 in words is "five million, five hundred fifty-six thousand, one hundred forty-three".