55042255 has 8 divisors (see below), whose sum is σ = 66107232. Its totient is φ = 43996128.

The previous prime is 55042241. The next prime is 55042271. The reversal of 55042255 is 55224055.

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 55042255 - 2⁹ = 55041743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2809 + ... + 10861.

It is an arithmetic number, because the mean of its divisors is an integer number (8263404).

Almost surely, 2^55042255 is an apocalyptic number.

55042255 is a deficient number, since it is larger than the sum of its proper divisors (11064977).

55042255 is a wasteful number, since it uses less digits than its factorization.

55042255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9425.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 55042255 is about 7419.0467716547. The cubic root of 55042255 is about 380.3926113013.

The spelling of 55042255 in words is "fifty-five million, forty-two thousand, two hundred fifty-five".