553661344 has 24 divisors (see below), whose sum is σ = 1093276548. Its totient is φ = 276003840.

The previous prime is 553661341. The next prime is 553661347. The reversal of 553661344 is 443166355.

It is an interprime number because it is at equal distance from previous prime (553661341) and next prime (553661347).

It can be written as a sum of positive squares in 2 ways, for example, as 552250000 + 1411344 = 23500^2 + 1188^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (553661341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14887 + ... + 36454.

Almost surely, 2^553661344 is an apocalyptic number.

It is an amenable number.

553661344 is a deficient number, since it is larger than the sum of its proper divisors (539615204).

553661344 is a wasteful number, since it uses less digits than its factorization.

553661344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51688 (or 51680 counting only the distinct ones).

The product of its digits is 129600, while the sum is 37.

The square root of 553661344 is about 23530.0094347622. The cubic root of 553661344 is about 821.1353220822.

The spelling of 553661344 in words is "five hundred fifty-three million, six hundred sixty-one thousand, three hundred forty-four".