556536 has 16 divisors (see below), whose sum is σ = 1391400. Its totient is φ = 185504.

The previous prime is 556519. The next prime is 556537. The reversal of 556536 is 635655.

556536 = T₃₆₉ + T₃₇₀ + ... + T₃₇₆.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556537) by changing a digit.

556536 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11571 + ... + 11618.

2⁵⁵⁶⁵³⁶ is an apocalyptic number.

It is an amenable number.

556536 is an abundant number, since it is smaller than the sum of its proper divisors (834864).

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

556536 is a wasteful number, since it uses less digits than its factorization.

556536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23198 (or 23194 counting only the distinct ones).

The product of its digits is 13500, while the sum is 30.

The square root of 556536 is about 746.0134047053. The cubic root of 556536 is about 82.2554004024.

The spelling of 556536 in words is "five hundred fifty-six thousand, five hundred thirty-six".