553211344 has 20 divisors (see below), whose sum is σ = 1224968224. Its totient is φ = 237090528.

The previous prime is 553211333. The next prime is 553211371. The reversal of 553211344 is 443112355.

It is a super-2 number, since 2×553211344² = 612085582260572672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2469582 + ... + 2469805.

Almost surely, 2^553211344 is an apocalyptic number.

It is an amenable number.

553211344 is an abundant number, since it is smaller than the sum of its proper divisors (671756880).

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

553211344 is a wasteful number, since it uses less digits than its factorization.

553211344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4939402 (or 4939396 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 553211344 is about 23520.4452338811. The cubic root of 553211344 is about 820.9127967344.

Adding to 553211344 its reverse (443112355), we get a palindrome (996323699).

It can be divided in two parts, 55321 and 1344, that added together give a palindrome (56665).

The spelling of 553211344 in words is "five hundred fifty-three million, two hundred eleven thousand, three hundred forty-four".