54143556 has 24 divisors (see below), whose sum is σ = 127859424. Its totient is φ = 17830080.

The previous prime is 54143549. The next prime is 54143567. The reversal of 54143556 is 65534145.

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, 26185 + ... + 28176.

It is an arithmetic number, because the mean of its divisors is an integer number (5327476).

Almost surely, 2^54143556 is an apocalyptic number.

It is an amenable number.

54143556 is an abundant number, since it is smaller than the sum of its proper divisors (73715868).

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

54143556 is a wasteful number, since it uses less digits than its factorization.

54143556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54451 (or 54449 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The square root of 54143556 is about 7358.2304938076. The cubic root of 54143556 is about 378.3109616085.

The spelling of 54143556 in words is "fifty-four million, one hundred forty-three thousand, five hundred fifty-six".