1555056 has 30 divisors (see below), whose sum is σ = 4352400. Its totient is φ = 518304.

The previous prime is 1555051. The next prime is 1555061. The reversal of 1555056 is 6505551.

1555056 is a `hidden beast` number, since 155 + 505 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1555051) and next prime (1555061).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1555051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5256 + ... + 5543.

It is an arithmetic number, because the mean of its divisors is an integer number (145080).

2^1555056 is an apocalyptic number.

1555056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1555056 is an abundant number, since it is smaller than the sum of its proper divisors (2797344).

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

1555056 is a wasteful number, since it uses less digits than its factorization.

1555056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10813 (or 10804 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 1555056 is about 1247.0188450862. The cubic root of 1555056 is about 115.8551501557.

The spelling of 1555056 in words is "one million, five hundred fifty-five thousand, fifty-six".