55565255 has 8 divisors (see below), whose sum is σ = 66772512. Its totient is φ = 44389408.

The previous prime is 55565243. The next prime is 55565261. The reversal of 55565255 is 55256555.

It is a happy number.

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 55565255 - 2¹⁰ = 55564231 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, 3764 + ... + 11193.

It is an arithmetic number, because the mean of its divisors is an integer number (8346564).

Almost surely, 2^55565255 is an apocalyptic number.

55565255 is a deficient number, since it is larger than the sum of its proper divisors (11207257).

55565255 is a wasteful number, since it uses less digits than its factorization.

55565255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15705.

The product of its digits is 187500, while the sum is 38.

The square root of 55565255 is about 7454.2105551158. The cubic root of 55565255 is about 381.5936190766.

The spelling of 55565255 in words is "fifty-five million, five hundred sixty-five thousand, two hundred fifty-five".