543956 has 12 divisors (see below), whose sum is σ = 1087968. Its totient is φ = 233112.

The previous prime is 543929. The next prime is 543967. The reversal of 543956 is 659345.

It is a happy number.

543956 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9686 + ... + 9741.

It is an arithmetic number, because the mean of its divisors is an integer number (90664).

2⁵⁴³⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

543956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

543956 is a wasteful number, since it uses less digits than its factorization.

543956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19438 (or 19436 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 543956 is about 737.5337280423. The cubic root of 543956 is about 81.6309010865.

The spelling of 543956 in words is "five hundred forty-three thousand, nine hundred fifty-six".