40797553 has 2 divisors, whose sum is σ = 40797554. Its totient is φ = 40797552.

The previous prime is 40797529. The next prime is 40797619. The reversal of 40797553 is 35579704.

40797553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32171584 + 8625969 = 5672^2 + 2937^2 .

It is a cyclic number.

It is not a de Polignac number, because 40797553 - 2⁹ = 40797041 is a prime.

It is not a weakly prime, because it can be changed into another prime (40797853) 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, 20398776 + 20398777.

It is an arithmetic number, because the mean of its divisors is an integer number (20398777).

Almost surely, 2^40797553 is an apocalyptic number.

It is an amenable number.

40797553 is a deficient number, since it is larger than the sum of its proper divisors (1).

40797553 is an equidigital number, since it uses as much as digits as its factorization.

40797553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 40797553 is about 6387.2962198414. The cubic root of 40797553 is about 344.2532416178.

The spelling of 40797553 in words is "forty million, seven hundred ninety-seven thousand, five hundred fifty-three".