55562171 has 8 divisors (see below), whose sum is σ = 67235040. Its totient is φ = 44823168.

The previous prime is 55562167. The next prime is 55562189. The reversal of 55562171 is 17126555.

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

It is a cyclic number.

It is not a de Polignac number, because 55562171 - 2² = 55562167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55562161) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 233336 + ... + 233573.

It is an arithmetic number, because the mean of its divisors is an integer number (8404380).

Almost surely, 2^55562171 is an apocalyptic number.

55562171 is a deficient number, since it is larger than the sum of its proper divisors (11672869).

55562171 is a wasteful number, since it uses less digits than its factorization.

55562171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466933.

The product of its digits is 10500, while the sum is 32.

The square root of 55562171 is about 7454.0036892934. The cubic root of 55562171 is about 381.5865591703.

It can be divided in two parts, 555 and 62171, that added together give a palindrome (62726).

The spelling of 55562171 in words is "fifty-five million, five hundred sixty-two thousand, one hundred seventy-one".