552400111 has 2 divisors, whose sum is σ = 552400112. Its totient is φ = 552400110.

The previous prime is 552400103. The next prime is 552400139. The reversal of 552400111 is 111004255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 552400111 - 2³ = 552400103 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552400711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276200055 + 276200056.

It is an arithmetic number, because the mean of its divisors is an integer number (276200056).

Almost surely, 2^552400111 is an apocalyptic number.

552400111 is a deficient number, since it is larger than the sum of its proper divisors (1).

552400111 is an equidigital number, since it uses as much as digits as its factorization.

552400111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 552400111 is about 23503.1936340575. The cubic root of 552400111 is about 820.5113363389.

Adding to 552400111 its reverse (111004255), we get a palindrome (663404366).

The spelling of 552400111 in words is "five hundred fifty-two million, four hundred thousand, one hundred eleven".