40553253 has 24 divisors (see below), whose sum is σ = 63365120. Its totient is φ = 24844320.

The previous prime is 40553243. The next prime is 40553267. The reversal of 40553253 is 35235504.

40553253 is a `hidden beast` number, since 405 + 5 + 3 + 253 = 666.

40553253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40553253 - 2⁸ = 40552997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40553203) 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 in 23 ways as a sum of consecutive naturals, for example, 31068 + ... + 32346.

Almost surely, 2^40553253 is an apocalyptic number.

It is an amenable number.

40553253 is a deficient number, since it is larger than the sum of its proper divisors (22811867).

40553253 is a wasteful number, since it uses less digits than its factorization.

40553253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569 (or 1566 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 40553253 is about 6368.1436070491. The cubic root of 40553253 is about 343.5647240469.

Adding to 40553253 its reverse (35235504), we get a palindrome (75788757).

The spelling of 40553253 in words is "forty million, five hundred fifty-three thousand, two hundred fifty-three".