553551426 has 12 divisors (see below), whose sum is σ = 1199361462. Its totient is φ = 184517136.

The previous prime is 553551389. The next prime is 553551437. The reversal of 553551426 is 624155355.

It can be written as a sum of positive squares in only one way, i.e., 299117025 + 254434401 = 17295^2 + 15951^2 .

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 15376411 + ... + 15376446.

Almost surely, 2^553551426 is an apocalyptic number.

553551426 is an abundant number, since it is smaller than the sum of its proper divisors (645810036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

553551426 is a wasteful number, since it uses less digits than its factorization.

553551426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30752865 (or 30752862 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 553551426 is about 23527.6736206536. The cubic root of 553551426 is about 821.0809786785.

The spelling of 553551426 in words is "five hundred fifty-three million, five hundred fifty-one thousand, four hundred twenty-six".