40534553 has 2 divisors, whose sum is σ = 40534554. Its totient is φ = 40534552.

The previous prime is 40534541. The next prime is 40534567. The reversal of 40534553 is 35543504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33965584 + 6568969 = 5828^2 + 2563^2 .

It is a cyclic number.

It is not a de Polignac number, because 40534553 - 2⁴ = 40534537 is a prime.

It is not a weakly prime, because it can be changed into another prime (40534583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20267276 + 20267277.

It is an arithmetic number, because the mean of its divisors is an integer number (20267277).

Almost surely, 2^40534553 is an apocalyptic number.

It is an amenable number.

40534553 is a deficient number, since it is larger than the sum of its proper divisors (1).

40534553 is an equidigital number, since it uses as much as digits as its factorization.

40534553 is an evil number, because the sum of its binary digits is even.

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

The square root of 40534553 is about 6366.6751919664. The cubic root of 40534553 is about 343.5119075021.

The spelling of 40534553 in words is "forty million, five hundred thirty-four thousand, five hundred fifty-three".