89898553 has 4 divisors (see below), whose sum is σ = 90205668. Its totient is φ = 89591440.

The previous prime is 89898541. The next prime is 89898569. The reversal of 89898553 is 35589898.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35589898 = 2 ⋅17794949.

It can be written as a sum of positive squares in 2 ways, for example, as 75481344 + 14417209 = 8688^2 + 3797^2 .

It is a cyclic number.

It is not a de Polignac number, because 89898553 - 2⁹ = 89898041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89898494 and 89898503.

It is not an unprimeable number, because it can be changed into a prime (89898353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153118 + ... + 153703.

It is an arithmetic number, because the mean of its divisors is an integer number (22551417).

Almost surely, 2^89898553 is an apocalyptic number.

It is an amenable number.

89898553 is a deficient number, since it is larger than the sum of its proper divisors (307115).

89898553 is a wasteful number, since it uses less digits than its factorization.

89898553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307114.

The product of its digits is 3110400, while the sum is 55.

The square root of 89898553 is about 9481.4847465996. The cubic root of 89898553 is about 447.9720316963.

The spelling of 89898553 in words is "eighty-nine million, eight hundred ninety-eight thousand, five hundred fifty-three".