89645954 has 4 divisors (see below), whose sum is σ = 134468934. Its totient is φ = 44822976.

The previous prime is 89645911. The next prime is 89646023. The reversal of 89645954 is 45954698.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45954698 = 2 ⋅22977349.

It can be written as a sum of positive squares in only one way, i.e., 76125625 + 13520329 = 8725^2 + 3677^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22411487 + ... + 22411490.

Almost surely, 2^89645954 is an apocalyptic number.

89645954 is a deficient number, since it is larger than the sum of its proper divisors (44822980).

89645954 is a wasteful number, since it uses less digits than its factorization.

89645954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44822979.

The product of its digits is 1555200, while the sum is 50.

The square root of 89645954 is about 9468.1547304636. The cubic root of 89645954 is about 447.5520641025.

The spelling of 89645954 in words is "eighty-nine million, six hundred forty-five thousand, nine hundred fifty-four".