88544557 has 2 divisors, whose sum is σ = 88544558. Its totient is φ = 88544556.

The previous prime is 88544539. The next prime is 88544581. The reversal of 88544557 is 75544588.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88096996 + 447561 = 9386^2 + 669^2 .

It is a cyclic number.

It is not a de Polignac number, because 88544557 - 2⁷ = 88544429 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88544507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44272278 + 44272279.

It is an arithmetic number, because the mean of its divisors is an integer number (44272279).

Almost surely, 2^88544557 is an apocalyptic number.

It is an amenable number.

88544557 is a deficient number, since it is larger than the sum of its proper divisors (1).

88544557 is an equidigital number, since it uses as much as digits as its factorization.

88544557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 896000, while the sum is 46.

The square root of 88544557 is about 9409.8117409436. The cubic root of 88544557 is about 445.7116198995.

The spelling of 88544557 in words is "eighty-eight million, five hundred forty-four thousand, five hundred fifty-seven".