94445551 has 2 divisors, whose sum is σ = 94445552. Its totient is φ = 94445550.

The previous prime is 94445473. The next prime is 94445569. The reversal of 94445551 is 15554449.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 94445551 - 2¹⁹ = 93921263 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 94445551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94445051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47222775 + 47222776.

It is an arithmetic number, because the mean of its divisors is an integer number (47222776).

Almost surely, 2^94445551 is an apocalyptic number.

94445551 is a deficient number, since it is larger than the sum of its proper divisors (1).

94445551 is an equidigital number, since it uses as much as digits as its factorization.

94445551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 37.

The square root of 94445551 is about 9718.3100897224. The cubic root of 94445551 is about 455.4008478987.

The spelling of 94445551 in words is "ninety-four million, four hundred forty-five thousand, five hundred fifty-one".