553129426 has 8 divisors (see below), whose sum is σ = 830769804. Its totient is φ = 276206160.

The previous prime is 553129351. The next prime is 553129439. The reversal of 553129426 is 624921355.

It can be written as a sum of positive squares in 2 ways, for example, as 401962401 + 151167025 = 20049^2 + 12295^2 .

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

It is an unprimeable number.

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, 177345 + ... + 180436.

Almost surely, 2^553129426 is an apocalyptic number.

553129426 is a deficient number, since it is larger than the sum of its proper divisors (277640378).

553129426 is a wasteful number, since it uses less digits than its factorization.

553129426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358556.

The product of its digits is 64800, while the sum is 37.

The square root of 553129426 is about 23518.7037482936. The cubic root of 553129426 is about 820.8722752383.

The spelling of 553129426 in words is "five hundred fifty-three million, one hundred twenty-nine thousand, four hundred twenty-six".