553400531 has 8 divisors (see below), whose sum is σ = 558410544. Its totient is φ = 548411680.

The previous prime is 553400509. The next prime is 553400543. The reversal of 553400531 is 135004355.

553400531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 553400531 - 2¹⁴ = 553384147 is a prime.

It is a super-2 number, since 2×553400531² = 612504295422163922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 553400531.

It is not an unprimeable number, because it can be changed into a prime (553400831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49796 + ... + 59886.

It is an arithmetic number, because the mean of its divisors is an integer number (69801318).

Almost surely, 2^553400531 is an apocalyptic number.

553400531 is a deficient number, since it is larger than the sum of its proper divisors (5010013).

553400531 is a wasteful number, since it uses less digits than its factorization.

553400531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10581.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 553400531 is about 23524.4666464513. The cubic root of 553400531 is about 821.0063645487.

Adding to 553400531 its reverse (135004355), we get a palindrome (688404886).

The spelling of 553400531 in words is "five hundred fifty-three million, four hundred thousand, five hundred thirty-one".