89552971 has 2 divisors, whose sum is σ = 89552972. Its totient is φ = 89552970.

The previous prime is 89552929. The next prime is 89552989. The reversal of 89552971 is 17925598.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89552971 - 2⁷ = 89552843 is a prime.

It is a super-2 number, since 2×89552971² = 16039469229853682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89552921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44776485 + 44776486.

It is an arithmetic number, because the mean of its divisors is an integer number (44776486).

Almost surely, 2^89552971 is an apocalyptic number.

89552971 is a deficient number, since it is larger than the sum of its proper divisors (1).

89552971 is an equidigital number, since it uses as much as digits as its factorization.

89552971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 46.

The square root of 89552971 is about 9463.2431544371. The cubic root of 89552971 is about 447.3972732170.

The spelling of 89552971 in words is "eighty-nine million, five hundred fifty-two thousand, nine hundred seventy-one".