106555555 has 4 divisors (see below), whose sum is σ = 127866672. Its totient is φ = 85244440.

The previous prime is 106555549. The next prime is 106555571. The reversal of 106555555 is 555555601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555555601 = 17327 ⋅32063.

It is a de Polignac number, because none of the positive numbers 2^k-106555555 is a prime.

It is a super-2 number, since 2×106555555² = 22708172602716050, which contains 22 as substring.

It is a Duffinian number.

106555555 is a modest number, since divided by 55555 gives 1065 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10655551 + ... + 10655560.

It is an arithmetic number, because the mean of its divisors is an integer number (31966668).

Almost surely, 2^106555555 is an apocalyptic number.

106555555 is a deficient number, since it is larger than the sum of its proper divisors (21311117).

106555555 is an equidigital number, since it uses as much as digits as its factorization.

106555555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21311116.

The product of its (nonzero) digits is 93750, while the sum is 37.

The square root of 106555555 is about 10322.5750178916. The cubic root of 106555555 is about 474.0877115779.

The spelling of 106555555 in words is "one hundred six million, five hundred fifty-five thousand, five hundred fifty-five".