1706440055 has 4 divisors (see below), whose sum is σ = 2047728072. Its totient is φ = 1365152040.

The previous prime is 1706440019. The next prime is 1706440063. The reversal of 1706440055 is 5500446071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5500446071 = 179 ⋅30728749.

It is not a de Polignac number, because 1706440055 - 2²⁴ = 1689662839 is a prime.

It is a super-2 number, since 2×1706440055² = 5823875322616806050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170644001 + ... + 170644010.

It is an arithmetic number, because the mean of its divisors is an integer number (511932018).

Almost surely, 2^1706440055 is an apocalyptic number.

1706440055 is a deficient number, since it is larger than the sum of its proper divisors (341288017).

1706440055 is an equidigital number, since it uses as much as digits as its factorization.

1706440055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341288016.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 1706440055 is about 41309.0795709612. The cubic root of 1706440055 is about 1194.9883707720.

The spelling of 1706440055 in words is "one billion, seven hundred six million, four hundred forty thousand, fifty-five".