553640013 has 12 divisors (see below), whose sum is σ = 807947868. Its totient is φ = 365287680.

The previous prime is 553639981. The next prime is 553640027. The reversal of 553640013 is 310046355.

553640013 is a `hidden beast` number, since 5 + 5 + 3 + 640 + 0 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 383650569 + 169989444 = 19587^2 + 13038^2 .

It is not a de Polignac number, because 553640013 - 2⁵ = 553639981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553640053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316218 + ... + 317963.

It is an arithmetic number, because the mean of its divisors is an integer number (67328989).

Almost surely, 2^553640013 is an apocalyptic number.

It is an amenable number.

553640013 is a deficient number, since it is larger than the sum of its proper divisors (254307855).

553640013 is a wasteful number, since it uses less digits than its factorization.

553640013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634284 (or 634281 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 553640013 is about 23529.5561581599. The cubic root of 553640013 is about 821.1247766091.

Adding to 553640013 its reverse (310046355), we get a palindrome (863686368).

The spelling of 553640013 in words is "five hundred fifty-three million, six hundred forty thousand, thirteen".