553356450 has 72 divisors (see below), whose sum is σ = 1489841028. Its totient is φ = 147248640.

The previous prime is 553356449. The next prime is 553356473. The reversal of 553356450 is 54653355.

553356450 is a `hidden beast` number, since 5 + 5 + 3 + 3 + 5 + 645 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 107682129 + 445674321 = 10377^2 + 21111^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 276654 + ... + 278646.

Almost surely, 2^553356450 is an apocalyptic number.

553356450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 553356450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (744920514).

553356450 is an abundant number, since it is smaller than the sum of its proper divisors (936484578).

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

553356450 is a wasteful number, since it uses less digits than its factorization.

553356450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628 (or 2620 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The square root of 553356450 is about 23523.5297096333. The cubic root of 553356450 is about 820.9845649415.

The spelling of 553356450 in words is "five hundred fifty-three million, three hundred fifty-six thousand, four hundred fifty".