655455 has 16 divisors (see below), whose sum is σ = 1077984. Its totient is φ = 339840.

The previous prime is 655453. The next prime is 655471. The reversal of 655455 is 554556.

It is not a de Polignac number, because 655455 - 2¹ = 655453 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36 + ... + 1145.

It is an arithmetic number, because the mean of its divisors is an integer number (67374).

2⁶⁵⁵⁴⁵⁵ is an apocalyptic number.

655455 is a deficient number, since it is larger than the sum of its proper divisors (422529).

655455 is a wasteful number, since it uses less digits than its factorization.

655455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226.

The product of its digits is 15000, while the sum is 30.

The square root of 655455 is about 809.6017539507. The cubic root of 655455 is about 86.8655606258.

The spelling of 655455 in words is "six hundred fifty-five thousand, four hundred fifty-five".