91955029 has 2 divisors, whose sum is σ = 91955030. Its totient is φ = 91955028.

The previous prime is 91954987. The next prime is 91955063. The reversal of 91955029 is 92055919.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79174404 + 12780625 = 8898^2 + 3575^2 .

It is a cyclic number.

It is not a de Polignac number, because 91955029 - 2¹¹ = 91952981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91954982 and 91955000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91955089) 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, 45977514 + 45977515.

It is an arithmetic number, because the mean of its divisors is an integer number (45977515).

Almost surely, 2^91955029 is an apocalyptic number.

It is an amenable number.

91955029 is a deficient number, since it is larger than the sum of its proper divisors (1).

91955029 is an equidigital number, since it uses as much as digits as its factorization.

91955029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 40.

The square root of 91955029 is about 9589.3184846474. The cubic root of 91955029 is about 451.3621753386.

The spelling of 91955029 in words is "ninety-one million, nine hundred fifty-five thousand, twenty-nine".