554020043 has 4 divisors (see below), whose sum is σ = 554126640. Its totient is φ = 553913448.

The previous prime is 554020039. The next prime is 554020063. The reversal of 554020043 is 340020455.

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 554020043 - 2² = 554020039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (554020063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45080 + ... + 56037.

It is an arithmetic number, because the mean of its divisors is an integer number (138531660).

Almost surely, 2^554020043 is an apocalyptic number.

554020043 is a deficient number, since it is larger than the sum of its proper divisors (106597).

554020043 is a wasteful number, since it uses less digits than its factorization.

554020043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106596.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 554020043 is about 23537.6303607649. The cubic root of 554020043 is about 821.3126126693.

Adding to 554020043 its reverse (340020455), we get a palindrome (894040498).

The spelling of 554020043 in words is "five hundred fifty-four million, twenty thousand, forty-three".