40535553 has 8 divisors (see below), whose sum is σ = 54081216. Its totient is φ = 27006800.

The previous prime is 40535549. The next prime is 40535563. The reversal of 40535553 is 35553504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40535553 - 2² = 40535549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40535553.

It is not an unprimeable number, because it can be changed into a prime (40535503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3268 + ... + 9578.

It is an arithmetic number, because the mean of its divisors is an integer number (6760152).

Almost surely, 2^40535553 is an apocalyptic number.

It is an amenable number.

40535553 is a deficient number, since it is larger than the sum of its proper divisors (13545663).

40535553 is a wasteful number, since it uses less digits than its factorization.

40535553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8455.

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 40535553 is about 6366.7537254083. The cubic root of 40535553 is about 343.5147323273.

The spelling of 40535553 in words is "forty million, five hundred thirty-five thousand, five hundred fifty-three".