40354553 has 2 divisors, whose sum is σ = 40354554. Its totient is φ = 40354552.

The previous prime is 40354541. The next prime is 40354621. The reversal of 40354553 is 35545304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30063289 + 10291264 = 5483^2 + 3208^2 .

It is a cyclic number.

It is not a de Polignac number, because 40354553 - 2¹⁶ = 40289017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40354453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20177276 + 20177277.

It is an arithmetic number, because the mean of its divisors is an integer number (20177277).

Almost surely, 2^40354553 is an apocalyptic number.

It is an amenable number.

40354553 is a deficient number, since it is larger than the sum of its proper divisors (1).

40354553 is an equidigital number, since it uses as much as digits as its factorization.

40354553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 40354553 is about 6352.5233569031. The cubic root of 40354553 is about 343.0026802682.

Adding to 40354553 its reverse (35545304), we get a palindrome (75899857).

Subtracting from 40354553 its reverse (35545304), we obtain a square (4809249 = 2193²).

The spelling of 40354553 in words is "forty million, three hundred fifty-four thousand, five hundred fifty-three".