55532445113 has 2 divisors, whose sum is σ = 55532445114. Its totient is φ = 55532445112.

The previous prime is 55532445079. The next prime is 55532445131. The reversal of 55532445113 is 31154423555.

Together with next prime (55532445131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55362325264 + 170119849 = 235292^2 + 13043^2 .

It is a cyclic number.

It is not a de Polignac number, because 55532445113 - 2⁸ = 55532444857 is a prime.

It is not a weakly prime, because it can be changed into another prime (55532444113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27766222556 + 27766222557.

It is an arithmetic number, because the mean of its divisors is an integer number (27766222557).

Almost surely, 2^55532445113 is an apocalyptic number.

It is an amenable number.

55532445113 is a deficient number, since it is larger than the sum of its proper divisors (1).

55532445113 is an equidigital number, since it uses as much as digits as its factorization.

55532445113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180000, while the sum is 38.

Adding to 55532445113 its reverse (31154423555), we get a palindrome (86686868668).

The spelling of 55532445113 in words is "fifty-five billion, five hundred thirty-two million, four hundred forty-five thousand, one hundred thirteen".