89280551 has 2 divisors, whose sum is σ = 89280552. Its totient is φ = 89280550.

The previous prime is 89280547. The next prime is 89280623. The reversal of 89280551 is 15508298.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89280551 - 2² = 89280547 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 (89280151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44640275 + 44640276.

It is an arithmetic number, because the mean of its divisors is an integer number (44640276).

Almost surely, 2^89280551 is an apocalyptic number.

89280551 is a deficient number, since it is larger than the sum of its proper divisors (1).

89280551 is an equidigital number, since it uses as much as digits as its factorization.

89280551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 89280551 is about 9448.8386058817. The cubic root of 89280551 is about 446.9431518207.

The spelling of 89280551 in words is "eighty-nine million, two hundred eighty thousand, five hundred fifty-one".