551214511 has 4 divisors (see below), whose sum is σ = 583638912. Its totient is φ = 518790112.

The previous prime is 551214487. The next prime is 551214523. The reversal of 551214511 is 115412155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115412155 = 5 ⋅23082431.

It is a cyclic number.

It is not a de Polignac number, because 551214511 - 2⁵ = 551214479 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 (551214541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16212175 + ... + 16212208.

It is an arithmetic number, because the mean of its divisors is an integer number (145909728).

Almost surely, 2^551214511 is an apocalyptic number.

551214511 is a deficient number, since it is larger than the sum of its proper divisors (32424401).

551214511 is a wasteful number, since it uses less digits than its factorization.

551214511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32424400.

The product of its digits is 1000, while the sum is 25.

The square root of 551214511 is about 23477.9579819029. The cubic root of 551214511 is about 819.9239028134.

Adding to 551214511 its reverse (115412155), we get a palindrome (666626666).

The spelling of 551214511 in words is "five hundred fifty-one million, two hundred fourteen thousand, five hundred eleven".