553980443 has 2 divisors, whose sum is σ = 553980444. Its totient is φ = 553980442.

The previous prime is 553980421. The next prime is 553980451. The reversal of 553980443 is 344089355.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553980443 is a prime.

It is a super-4 number, since 4×553980443⁴ (a number of 36 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 553980443.

It is not a weakly prime, because it can be changed into another prime (553980743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276990221 + 276990222.

It is an arithmetic number, because the mean of its divisors is an integer number (276990222).

Almost surely, 2^553980443 is an apocalyptic number.

553980443 is a deficient number, since it is larger than the sum of its proper divisors (1).

553980443 is an equidigital number, since it uses as much as digits as its factorization.

553980443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 553980443 is about 23536.7891395577. The cubic root of 553980443 is about 821.2930437296.

The spelling of 553980443 in words is "five hundred fifty-three million, nine hundred eighty thousand, four hundred forty-three".