55005017 has 4 divisors (see below), whose sum is σ = 55025316. Its totient is φ = 54984720.

The previous prime is 55005011. The next prime is 55005023. The reversal of 55005017 is 71050055.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (55005011) and next prime (55005023).

It can be written as a sum of positive squares in 2 ways, for example, as 33512521 + 21492496 = 5789^2 + 4636^2 .

It is a cyclic number.

It is not a de Polignac number, because 55005017 - 2⁶ = 55004953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55004983 and 55005001.

It is not an unprimeable number, because it can be changed into a prime (55005011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5318 + ... + 11759.

It is an arithmetic number, because the mean of its divisors is an integer number (13756329).

Almost surely, 2^55005017 is an apocalyptic number.

It is an amenable number.

55005017 is a deficient number, since it is larger than the sum of its proper divisors (20299).

55005017 is a wasteful number, since it uses less digits than its factorization.

55005017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20298.

The product of its (nonzero) digits is 875, while the sum is 23.

The square root of 55005017 is about 7416.5367254535. The cubic root of 55005017 is about 380.3068090049.

The spelling of 55005017 in words is "fifty-five million, five thousand, seventeen".