1556056 has 8 divisors (see below), whose sum is σ = 2917620. Its totient is φ = 778024.

The previous prime is 1556039. The next prime is 1556059. The reversal of 1556056 is 6506551.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1556059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97246 + ... + 97261.

2^1556056 is an apocalyptic number.

It is an amenable number.

1556056 is a deficient number, since it is larger than the sum of its proper divisors (1361564).

1556056 is a wasteful number, since it uses less digits than its factorization.

1556056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194513 (or 194509 counting only the distinct ones).

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

The square root of 1556056 is about 1247.4197368969. The cubic root of 1556056 is about 115.8799789132.

The spelling of 1556056 in words is "one million, five hundred fifty-six thousand, fifty-six".