550206520 has 32 divisors (see below), whose sum is σ = 1242695520. Its totient is φ = 219241600.

The previous prime is 550206509. The next prime is 550206551. The reversal of 550206520 is 25602055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15631 + ... + 36670.

It is an arithmetic number, because the mean of its divisors is an integer number (38834235).

Almost surely, 2^550206520 is an apocalyptic number.

It is an amenable number.

550206520 is an abundant number, since it is smaller than the sum of its proper divisors (692489000).

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

550206520 is a wasteful number, since it uses less digits than its factorization.

550206520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52575 (or 52571 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 550206520 is about 23456.4814070653. The cubic root of 550206520 is about 819.4238069975.

Adding to 550206520 its reverse (25602055), we get a palindrome (575808575).

The spelling of 550206520 in words is "five hundred fifty million, two hundred six thousand, five hundred twenty".