553626066 has 128 divisors (see below), whose sum is σ = 1410048000. Its totient is φ = 141329664.

The previous prime is 553626061. The next prime is 553626071. The reversal of 553626066 is 660626355.

It is an interprime number because it is at equal distance from previous prime (553626061) and next prime (553626071).

It is not an unprimeable number, because it can be changed into a prime (553626061) 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 63 ways as a sum of consecutive naturals, for example, 1087420 + ... + 1087928.

It is an arithmetic number, because the mean of its divisors is an integer number (11016000).

Almost surely, 2^553626066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553626066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705024000).

553626066 is an abundant number, since it is smaller than the sum of its proper divisors (856421934).

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

553626066 is a wasteful number, since it uses less digits than its factorization.

553626066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616.

The product of its (nonzero) digits is 194400, while the sum is 39.

The square root of 553626066 is about 23529.2597843621. The cubic root of 553626066 is about 821.1178814407.

The spelling of 553626066 in words is "five hundred fifty-three million, six hundred twenty-six thousand, sixty-six".