55242254 has 8 divisors (see below), whose sum is σ = 82908480. Its totient is φ = 27606096.

The previous prime is 55242247. The next prime is 55242259. The reversal of 55242254 is 45224255.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55242259) 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, 2159 + ... + 10730.

It is an arithmetic number, because the mean of its divisors is an integer number (10363560).

Almost surely, 2^55242254 is an apocalyptic number.

55242254 is a deficient number, since it is larger than the sum of its proper divisors (27666226).

55242254 is a wasteful number, since it uses less digits than its factorization.

55242254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15034.

The product of its digits is 16000, while the sum is 29.

The square root of 55242254 is about 7432.5133030490. The cubic root of 55242254 is about 380.8527800859.

The spelling of 55242254 in words is "fifty-five million, two hundred forty-two thousand, two hundred fifty-four".