106005559 has 6 divisors (see below), whose sum is σ = 116518640. Its totient is φ = 96368580.

The previous prime is 106005521. The next prime is 106005589. The reversal of 106005559 is 955500601.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-106005559 is a prime.

It is a super-2 number, since 2×106005559² = 22474357077804962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106005559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106005589) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 437919 + ... + 438160.

Almost surely, 2^106005559 is an apocalyptic number.

106005559 is a deficient number, since it is larger than the sum of its proper divisors (10513081).

106005559 is an equidigital number, since it uses as much as digits as its factorization.

106005559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876101 (or 876090 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 106005559 is about 10295.9001063530. The cubic root of 106005559 is about 473.2706221333.

The spelling of 106005559 in words is "one hundred six million, five thousand, five hundred fifty-nine".