108105553 has 2 divisors, whose sum is σ = 108105554. Its totient is φ = 108105552.

The previous prime is 108105551. The next prime is 108105563. The reversal of 108105553 is 355501801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73153809 + 34951744 = 8553^2 + 5912^2 .

It is a cyclic number.

It is not a de Polignac number, because 108105553 - 2¹ = 108105551 is a prime.

Together with 108105551, it forms a pair of twin primes.

It is equal to p_6200668 and since 108105553 and 6200668 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (108105551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54052776 + 54052777.

It is an arithmetic number, because the mean of its divisors is an integer number (54052777).

Almost surely, 2^108105553 is an apocalyptic number.

It is an amenable number.

108105553 is a deficient number, since it is larger than the sum of its proper divisors (1).

108105553 is an equidigital number, since it uses as much as digits as its factorization.

108105553 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 28.

The square root of 108105553 is about 10397.3820262603. The cubic root of 108105553 is about 476.3754085411.

The spelling of 108105553 in words is "one hundred eight million, one hundred five thousand, five hundred fifty-three".