89540001 has 6 divisors (see below), whose sum is σ = 129335570. Its totient is φ = 59693328.

The previous prime is 89539999. The next prime is 89540039. The reversal of 89540001 is 10004598.

It can be written as a sum of positive squares in only one way, i.e., 76580001 + 12960000 = 8751^2 + 3600^2 .

It is not a de Polignac number, because 89540001 - 2¹ = 89539999 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89540041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4974436 + ... + 4974453.

Almost surely, 2^89540001 is an apocalyptic number.

It is an amenable number.

89540001 is a deficient number, since it is larger than the sum of its proper divisors (39795569).

89540001 is a wasteful number, since it uses less digits than its factorization.

89540001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9948895 (or 9948892 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 89540001 is about 9462.5578465867. The cubic root of 89540001 is about 447.3756732532.

Adding to 89540001 its reverse (10004598), we get a palindrome (99544599).

The spelling of 89540001 in words is "eighty-nine million, five hundred forty thousand, one".