55286017 has 4 divisors (see below), whose sum is σ = 55985920. Its totient is φ = 54586116.

The previous prime is 55285987. The next prime is 55286047. The reversal of 55286017 is 71068255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (55285987) and next prime (55286047).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55286017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55286047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349833 + ... + 349990.

It is an arithmetic number, because the mean of its divisors is an integer number (13996480).

Almost surely, 2^55286017 is an apocalyptic number.

It is an amenable number.

55286017 is a deficient number, since it is larger than the sum of its proper divisors (699903).

55286017 is an equidigital number, since it uses as much as digits as its factorization.

55286017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699902.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 55286017 is about 7435.4567445450. The cubic root of 55286017 is about 380.9533242628.

It can be divided in two parts, 5 and 5286017, that multiplied together give a triangular number (26430085 = T₇₂₇₀).

The spelling of 55286017 in words is "fifty-five million, two hundred eighty-six thousand, seventeen".