75550093 has 2 divisors, whose sum is σ = 75550094. Its totient is φ = 75550092.

The previous prime is 75550081. The next prime is 75550117. The reversal of 75550093 is 39005557.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74874409 + 675684 = 8653^2 + 822^2 .

It is a cyclic number.

It is not a de Polignac number, because 75550093 - 2²¹ = 73452941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73550093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37775046 + 37775047.

It is an arithmetic number, because the mean of its divisors is an integer number (37775047).

Almost surely, 2^75550093 is an apocalyptic number.

It is an amenable number.

75550093 is a deficient number, since it is larger than the sum of its proper divisors (1).

75550093 is an equidigital number, since it uses as much as digits as its factorization.

75550093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23625, while the sum is 34.

The square root of 75550093 is about 8691.9556487594. The cubic root of 75550093 is about 422.7448585907.

The spelling of 75550093 in words is "seventy-five million, five hundred fifty thousand, ninety-three".