554111121 has 4 divisors (see below), whose sum is σ = 738814832. Its totient is φ = 369407412.

The previous prime is 554111111. The next prime is 554111137. The reversal of 554111121 is 121111455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 554111121 - 2⁷ = 554110993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (554111111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92351851 + ... + 92351856.

It is an arithmetic number, because the mean of its divisors is an integer number (184703708).

Almost surely, 2^554111121 is an apocalyptic number.

It is an amenable number.

554111121 is a deficient number, since it is larger than the sum of its proper divisors (184703711).

554111121 is a wasteful number, since it uses less digits than its factorization.

554111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184703710.

The product of its digits is 200, while the sum is 21.

The square root of 554111121 is about 23539.5650129734. The cubic root of 554111121 is about 821.3576167038.

Adding to 554111121 its reverse (121111455), we get a palindrome (675222576).

The spelling of 554111121 in words is "five hundred fifty-four million, one hundred eleven thousand, one hundred twenty-one".