88995551 has 2 divisors, whose sum is σ = 88995552. Its totient is φ = 88995550.

The previous prime is 88995547. The next prime is 88995593. The reversal of 88995551 is 15559988.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88995551 - 2² = 88995547 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 88995551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88995521) 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, 44497775 + 44497776.

It is an arithmetic number, because the mean of its divisors is an integer number (44497776).

Almost surely, 2^88995551 is an apocalyptic number.

88995551 is a deficient number, since it is larger than the sum of its proper divisors (1).

88995551 is an equidigital number, since it uses as much as digits as its factorization.

88995551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 50.

The square root of 88995551 is about 9433.7453325813. The cubic root of 88995551 is about 446.4670698648.

The spelling of 88995551 in words is "eighty-eight million, nine hundred ninety-five thousand, five hundred fifty-one".