89545637 has 2 divisors, whose sum is σ = 89545638. Its totient is φ = 89545636.

The previous prime is 89545633. The next prime is 89545667. The reversal of 89545637 is 73654598.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87030241 + 2515396 = 9329^2 + 1586^2 .

It is a cyclic number.

It is not a de Polignac number, because 89545637 - 2² = 89545633 is a prime.

It is a super-2 number, since 2×89545637² = 16036842211471538, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 89545591 and 89545600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89545633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44772818 + 44772819.

It is an arithmetic number, because the mean of its divisors is an integer number (44772819).

Almost surely, 2^89545637 is an apocalyptic number.

It is an amenable number.

89545637 is a deficient number, since it is larger than the sum of its proper divisors (1).

89545637 is an equidigital number, since it uses as much as digits as its factorization.

89545637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 47.

The square root of 89545637 is about 9462.8556472135. The cubic root of 89545637 is about 447.3850595847.

The spelling of 89545637 in words is "eighty-nine million, five hundred forty-five thousand, six hundred thirty-seven".