89548181 has 4 divisors (see below), whose sum is σ = 92436864. Its totient is φ = 86659500.

The previous prime is 89548171. The next prime is 89548211. The reversal of 89548181 is 18184598.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18184598 = 2 ⋅9092299.

It is a cyclic number.

It is not a de Polignac number, because 89548181 - 2⁶ = 89548117 is a prime.

It is a super-2 number, since 2×89548181² = 16037753440817522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89548171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444295 + ... + 1444356.

It is an arithmetic number, because the mean of its divisors is an integer number (23109216).

Almost surely, 2^89548181 is an apocalyptic number.

It is an amenable number.

89548181 is a deficient number, since it is larger than the sum of its proper divisors (2888683).

89548181 is a wasteful number, since it uses less digits than its factorization.

89548181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888682.

The product of its digits is 92160, while the sum is 44.

The square root of 89548181 is about 9462.9900665699. The cubic root of 89548181 is about 447.3892962951.

The spelling of 89548181 in words is "eighty-nine million, five hundred forty-eight thousand, one hundred eighty-one".