553121043 has 8 divisors (see below), whose sum is σ = 769559808. Its totient is φ = 352714824.

The previous prime is 553121011. The next prime is 553121059. The reversal of 553121043 is 340121355.

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

It is not a de Polignac number, because 553121043 - 2⁵ = 553121011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (553121143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4008055 + ... + 4008192.

It is an arithmetic number, because the mean of its divisors is an integer number (96194976).

Almost surely, 2^553121043 is an apocalyptic number.

553121043 is a deficient number, since it is larger than the sum of its proper divisors (216438765).

553121043 is a wasteful number, since it uses less digits than its factorization.

553121043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8016273.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 553121043 is about 23518.5255277622. The cubic root of 553121043 is about 820.8681282842.

Adding to 553121043 its reverse (340121355), we get a palindrome (893242398).

The spelling of 553121043 in words is "five hundred fifty-three million, one hundred twenty-one thousand, forty-three".