55570 has 8 divisors (see below), whose sum is σ = 100044. Its totient is φ = 22224.

The previous prime is 55547. The next prime is 55579. The reversal of 55570 is 7555.

It can be written as a sum of positive squares in 2 ways, for example, as 53361 + 2209 = 231^2 + 47^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (55579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2769 + ... + 2788.

2⁵⁵⁵⁷⁰ is an apocalyptic number.

55570 is a deficient number, since it is larger than the sum of its proper divisors (44474).

55570 is a wasteful number, since it uses less digits than its factorization.

55570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5564.

The product of its (nonzero) digits is 875, while the sum is 22.

The square root of 55570 is about 235.7328996979. The cubic root of 55570 is about 38.1604480841.

It can be divided in two parts, 555 and 70, that added together give a 4-th power (625 = 5⁴).

The spelling of 55570 in words is "fifty-five thousand, five hundred seventy".