555243011 has 2 divisors, whose sum is σ = 555243012. Its totient is φ = 555243010.

The previous prime is 555242983. The next prime is 555243067. The reversal of 555243011 is 110342555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555243011 - 2¹⁴ = 555226627 is a prime.

It is a super-2 number, since 2×555243011² = 616589602528692242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (555243911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277621505 + 277621506.

It is an arithmetic number, because the mean of its divisors is an integer number (277621506).

Almost surely, 2^555243011 is an apocalyptic number.

555243011 is a deficient number, since it is larger than the sum of its proper divisors (1).

555243011 is an equidigital number, since it uses as much as digits as its factorization.

555243011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 555243011 is about 23563.5950355628. The cubic root of 555243011 is about 821.9165022940.

Adding to 555243011 its reverse (110342555), we get a palindrome (665585566).

The spelling of 555243011 in words is "five hundred fifty-five million, two hundred forty-three thousand, eleven".