88552309 has 2 divisors, whose sum is σ = 88552310. Its totient is φ = 88552308.

The previous prime is 88552307. The next prime is 88552361. The reversal of 88552309 is 90325588.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55086084 + 33466225 = 7422^2 + 5785^2 .

It is a cyclic number.

It is not a de Polignac number, because 88552309 - 2¹ = 88552307 is a prime.

It is a super-2 number, since 2×88552309² = 15683022858462962, which contains 22 as substring.

Together with 88552307, 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 (88552307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44276154 + 44276155.

It is an arithmetic number, because the mean of its divisors is an integer number (44276155).

Almost surely, 2^88552309 is an apocalyptic number.

It is an amenable number.

88552309 is a deficient number, since it is larger than the sum of its proper divisors (1).

88552309 is an equidigital number, since it uses as much as digits as its factorization.

88552309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 88552309 is about 9410.2236424009. The cubic root of 88552309 is about 445.7246267432.

The spelling of 88552309 in words is "eighty-eight million, five hundred fifty-two thousand, three hundred nine".