88005551 has 2 divisors, whose sum is σ = 88005552. Its totient is φ = 88005550.

The previous prime is 88005527. The next prime is 88005553. The reversal of 88005551 is 15550088.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88005551 is a prime.

Together with 88005553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88005553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44002775 + 44002776.

It is an arithmetic number, because the mean of its divisors is an integer number (44002776).

Almost surely, 2^88005551 is an apocalyptic number.

88005551 is a deficient number, since it is larger than the sum of its proper divisors (1).

88005551 is an equidigital number, since it uses as much as digits as its factorization.

88005551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8000, while the sum is 32.

The square root of 88005551 is about 9381.1273842753. The cubic root of 88005551 is about 444.8053704274.

The spelling of 88005551 in words is "eighty-eight million, five thousand, five hundred fifty-one".