55242174 has 32 divisors (see below), whose sum is σ = 120113280. Its totient is φ = 16836192.

The previous prime is 55242169. The next prime is 55242191. The reversal of 55242174 is 47124255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5037 + ... + 11655.

It is an arithmetic number, because the mean of its divisors is an integer number (3753540).

Almost surely, 2^55242174 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55242174, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60056640).

55242174 is an abundant number, since it is smaller than the sum of its proper divisors (64871106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55242174 is a wasteful number, since it uses less digits than its factorization.

55242174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6744.

The product of its digits is 11200, while the sum is 30.

The square root of 55242174 is about 7432.5079212874. The cubic root of 55242174 is about 380.8525962397.

The spelling of 55242174 in words is "fifty-five million, two hundred forty-two thousand, one hundred seventy-four".