536556 has 24 divisors (see below), whose sum is σ = 1274224. Its totient is φ = 175680.

The previous prime is 536533. The next prime is 536561. The reversal of 536556 is 655635.

It is a super-2 number, since 2×536556² = 575784682272, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366 + ... + 1098.

2⁵³⁶⁵⁵⁶ is an apocalyptic number.

It is a pronic number, being equal to 732×733.

It is an amenable number.

536556 is an abundant number, since it is smaller than the sum of its proper divisors (737668).

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

536556 is a wasteful number, since it uses less digits than its factorization.

536556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 799 counting only the distinct ones).

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

The square root of 536556 is about 732.4998293515. The cubic root of 536556 is about 81.2590396254.

The spelling of 536556 in words is "five hundred thirty-six thousand, five hundred fifty-six".