554140443 has 8 divisors (see below), whose sum is σ = 739603456. Its totient is φ = 369052200.

The previous prime is 554140421. The next prime is 554140463. The reversal of 554140443 is 344041455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 554140443 - 2¹³ = 554132251 is a prime.

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 554140443.

It is not an unprimeable number, because it can be changed into a prime (554140463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90223 + ... + 96168.

It is an arithmetic number, because the mean of its divisors is an integer number (92450432).

Almost surely, 2^554140443 is an apocalyptic number.

554140443 is a deficient number, since it is larger than the sum of its proper divisors (185463013).

554140443 is a wasteful number, since it uses less digits than its factorization.

554140443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187385.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 554140443 is about 23540.1878284775. The cubic root of 554140443 is about 821.3721044255.

Adding to 554140443 its reverse (344041455), we get a palindrome (898181898).

The spelling of 554140443 in words is "five hundred fifty-four million, one hundred forty thousand, four hundred forty-three".