550613613 has 32 divisors (see below), whose sum is σ = 831196800. Its totient is φ = 321269760.

The previous prime is 550613533. The next prime is 550613627. The reversal of 550613613 is 316316055.

It is not a de Polignac number, because 550613613 - 2⁹ = 550613101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550613683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116113 + ... + 120761.

It is an arithmetic number, because the mean of its divisors is an integer number (25974900).

Almost surely, 2^550613613 is an apocalyptic number.

It is an amenable number.

550613613 is a deficient number, since it is larger than the sum of its proper divisors (280583187).

550613613 is a wasteful number, since it uses less digits than its factorization.

550613613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4797.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 550613613 is about 23465.1574254255. The cubic root of 550613613 is about 819.6258520152.

Adding to 550613613 its reverse (316316055), we get a palindrome (866929668).

The spelling of 550613613 in words is "five hundred fifty million, six hundred thirteen thousand, six hundred thirteen".