54543331 has 4 divisors (see below), whose sum is σ = 54629064. Its totient is φ = 54457600.

The previous prime is 54543329. The next prime is 54543371. The reversal of 54543331 is 13334545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54543331 - 2¹ = 54543329 is a prime.

It is a super-2 number, since 2×54543331² = 5949949913151122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54543331.

It is not an unprimeable number, because it can be changed into a prime (54543301) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 41905 + ... + 43186.

It is an arithmetic number, because the mean of its divisors is an integer number (13657266).

Almost surely, 2^54543331 is an apocalyptic number.

54543331 is a deficient number, since it is larger than the sum of its proper divisors (85733).

54543331 is an equidigital number, since it uses as much as digits as its factorization.

54543331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85732.

The product of its digits is 10800, while the sum is 28.

The square root of 54543331 is about 7385.3456926538. The cubic root of 54543331 is about 379.2397797638.

Adding to 54543331 its reverse (13334545), we get a palindrome (67877876).

The spelling of 54543331 in words is "fifty-four million, five hundred forty-three thousand, three hundred thirty-one".