55524423109 has 2 divisors, whose sum is σ = 55524423110. Its totient is φ = 55524423108.

The previous prime is 55524423089. The next prime is 55524423139. The reversal of 55524423109 is 90132442555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55176600609 + 347822500 = 234897^2 + 18650^2 .

It is a cyclic number.

It is not a de Polignac number, because 55524423109 - 2¹⁷ = 55524292037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55524423139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27762211554 + 27762211555.

It is an arithmetic number, because the mean of its divisors is an integer number (27762211555).

Almost surely, 2^55524423109 is an apocalyptic number.

It is an amenable number.

55524423109 is a deficient number, since it is larger than the sum of its proper divisors (1).

55524423109 is an equidigital number, since it uses as much as digits as its factorization.

55524423109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 55524423109 in words is "fifty-five billion, five hundred twenty-four million, four hundred twenty-three thousand, one hundred nine".