89057443 has 2 divisors, whose sum is σ = 89057444. Its totient is φ = 89057442.

The previous prime is 89057401. The next prime is 89057467. The reversal of 89057443 is 34475098.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89057443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89057396 and 89057405.

It is not a weakly prime, because it can be changed into another prime (89057473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44528721 + 44528722.

It is an arithmetic number, because the mean of its divisors is an integer number (44528722).

Almost surely, 2^89057443 is an apocalyptic number.

89057443 is a deficient number, since it is larger than the sum of its proper divisors (1).

89057443 is an equidigital number, since it uses as much as digits as its factorization.

89057443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 89057443 is about 9437.0251138799. The cubic root of 89057443 is about 446.5705444630.

The spelling of 89057443 in words is "eighty-nine million, fifty-seven thousand, four hundred forty-three".