94555661 has 2 divisors, whose sum is σ = 94555662. Its totient is φ = 94555660.

The previous prime is 94555651. The next prime is 94555663. The reversal of 94555661 is 16655549.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80910025 + 13645636 = 8995^2 + 3694^2 .

It is a cyclic number.

It is not a de Polignac number, because 94555661 - 2⁶ = 94555597 is a prime.

Together with 94555663, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94555663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47277830 + 47277831.

It is an arithmetic number, because the mean of its divisors is an integer number (47277831).

Almost surely, 2^94555661 is an apocalyptic number.

It is an amenable number.

94555661 is a deficient number, since it is larger than the sum of its proper divisors (1).

94555661 is an equidigital number, since it uses as much as digits as its factorization.

94555661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 41.

The square root of 94555661 is about 9723.9735190919. The cubic root of 94555661 is about 455.5777565777.

The spelling of 94555661 in words is "ninety-four million, five hundred fifty-five thousand, six hundred sixty-one".