553323456 has 168 divisors, whose sum is σ = 1862063840. Its totient is φ = 153778176.

The previous prime is 553323367. The next prime is 553323461. The reversal of 553323456 is 654323355.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 553323456.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 147330 + ... + 151038.

Almost surely, 2^553323456 is an apocalyptic number.

553323456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553323456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (931031920).

553323456 is an abundant number, since it is smaller than the sum of its proper divisors (1308740384).

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

553323456 is a wasteful number, since it uses less digits than its factorization.

553323456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771 (or 3758 counting only the distinct ones).

The product of its digits is 162000, while the sum is 36.

The square root of 553323456 is about 23522.8284013636. The cubic root of 553323456 is about 820.9682474888.

The spelling of 553323456 in words is "five hundred fifty-three million, three hundred twenty-three thousand, four hundred fifty-six".