8551532551 has 2 divisors, whose sum is σ = 8551532552. Its totient is φ = 8551532550.

The previous prime is 8551532533. The next prime is 8551532603. The reversal of 8551532551 is 1552351558.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8551532551 - 2⁵ = 8551532519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8551532651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4275766275 + 4275766276.

It is an arithmetic number, because the mean of its divisors is an integer number (4275766276).

Almost surely, 2^8551532551 is an apocalyptic number.

8551532551 is a deficient number, since it is larger than the sum of its proper divisors (1).

8551532551 is an equidigital number, since it uses as much as digits as its factorization.

8551532551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150000, while the sum is 40.

The square root of 8551532551 is about 92474.4967599175. The cubic root of 8551532551 is about 2044.9435206971.

The spelling of 8551532551 in words is "eight billion, five hundred fifty-one million, five hundred thirty-two thousand, five hundred fifty-one".