550130511 has 8 divisors (see below), whose sum is σ = 838294144. Its totient is φ = 314360280.

The previous prime is 550130479. The next prime is 550130527. The reversal of 550130511 is 115031055.

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

It is not a de Polignac number, because 550130511 - 2⁵ = 550130479 is a prime.

It is a super-2 number, since 2×550130511² = 605287158266242242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 26196691 = 550130511 / (5 + 5 + 0 + 1 + 3 + 0 + 5 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550130531) 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, 13098325 + ... + 13098366.

It is an arithmetic number, because the mean of its divisors is an integer number (104786768).

Almost surely, 2^550130511 is an apocalyptic number.

550130511 is a deficient number, since it is larger than the sum of its proper divisors (288163633).

550130511 is a wasteful number, since it uses less digits than its factorization.

550130511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26196701.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 550130511 is about 23454.8611379390. The cubic root of 550130511 is about 819.3860718016.

Adding to 550130511 its reverse (115031055), we get a palindrome (665161566).

The spelling of 550130511 in words is "five hundred fifty million, one hundred thirty thousand, five hundred eleven".