551064511 has 2 divisors, whose sum is σ = 551064512. Its totient is φ = 551064510.

The previous prime is 551064499. The next prime is 551064533. The reversal of 551064511 is 115460155.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551064511 - 2⁹ = 551063999 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551064511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551064541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275532255 + 275532256.

It is an arithmetic number, because the mean of its divisors is an integer number (275532256).

Almost surely, 2^551064511 is an apocalyptic number.

551064511 is a deficient number, since it is larger than the sum of its proper divisors (1).

551064511 is an equidigital number, since it uses as much as digits as its factorization.

551064511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 551064511 is about 23474.7632788917. The cubic root of 551064511 is about 819.8495217628.

The spelling of 551064511 in words is "five hundred fifty-one million, sixty-four thousand, five hundred eleven".