91454053 has 2 divisors, whose sum is σ = 91454054. Its totient is φ = 91454052.

The previous prime is 91454021. The next prime is 91454059. The reversal of 91454053 is 35045419.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84309124 + 7144929 = 9182^2 + 2673^2 .

It is a cyclic number.

It is not a de Polignac number, because 91454053 - 2⁵ = 91454021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91454059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45727026 + 45727027.

It is an arithmetic number, because the mean of its divisors is an integer number (45727027).

Almost surely, 2^91454053 is an apocalyptic number.

It is an amenable number.

91454053 is a deficient number, since it is larger than the sum of its proper divisors (1).

91454053 is an equidigital number, since it uses as much as digits as its factorization.

91454053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 91454053 is about 9563.1612451114. The cubic root of 91454053 is about 450.5410003651.

The spelling of 91454053 in words is "ninety-one million, four hundred fifty-four thousand, fifty-three".