55526311 has 2 divisors, whose sum is σ = 55526312. Its totient is φ = 55526310.

The previous prime is 55526297. The next prime is 55526321. The reversal of 55526311 is 11362555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55526311 - 2¹⁷ = 55395239 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55526311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55526321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27763155 + 27763156.

It is an arithmetic number, because the mean of its divisors is an integer number (27763156).

Almost surely, 2^55526311 is an apocalyptic number.

55526311 is a deficient number, since it is larger than the sum of its proper divisors (1).

55526311 is an equidigital number, since it uses as much as digits as its factorization.

55526311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4500, while the sum is 28.

The square root of 55526311 is about 7451.5978823337. The cubic root of 55526311 is about 381.5044491144.

Adding to 55526311 its reverse (11362555), we get a palindrome (66888866).

The spelling of 55526311 in words is "fifty-five million, five hundred twenty-six thousand, three hundred eleven".