553620133 has 10 divisors (see below), whose sum is σ = 608994470. Its totient is φ = 503277720.

The previous prime is 553620131. The next prime is 553620149. The reversal of 553620133 is 331026355.

It can be written as a sum of positive squares in only one way, i.e., 278823204 + 274796929 = 16698^2 + 16577^2 .

It is not a de Polignac number, because 553620133 - 2¹ = 553620131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553620131) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4266 + ... + 33547.

It is an arithmetic number, because the mean of its divisors is an integer number (60899447).

Almost surely, 2^553620133 is an apocalyptic number.

It is an amenable number.

553620133 is a deficient number, since it is larger than the sum of its proper divisors (55374337).

553620133 is an frugal number, since it uses more digits than its factorization.

553620133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37857 (or 37824 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 553620133 is about 23529.1337069600. The cubic root of 553620133 is about 821.1149482275.

Adding to 553620133 its reverse (331026355), we get a palindrome (884646488).

The spelling of 553620133 in words is "five hundred fifty-three million, six hundred twenty thousand, one hundred thirty-three".