1655056 has 40 divisors (see below), whose sum is σ = 3532760. Its totient is φ = 746496.

The previous prime is 1655051. The next prime is 1655077. The reversal of 1655056 is 6505561.

It can be written as a sum of positive squares in 4 ways, for example, as 176400 + 1478656 = 420^2 + 1216^2 .

It is not an unprimeable number, because it can be changed into a prime (1655051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15130 + ... + 15238.

It is an arithmetic number, because the mean of its divisors is an integer number (88319).

2^1655056 is an apocalyptic number.

1655056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1655056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1766380).

1655056 is an abundant number, since it is smaller than the sum of its proper divisors (1877704).

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

1655056 is a wasteful number, since it uses less digits than its factorization.

1655056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1655056 is about 1286.4897978608. The cubic root of 1655056 is about 118.2871489854.

The spelling of 1655056 in words is "one million, six hundred fifty-five thousand, fifty-six".