40553055 has 24 divisors (see below), whose sum is σ = 72897552. Its totient is φ = 21627648.

The previous prime is 40553047. The next prime is 40553069. The reversal of 40553055 is 55035504.

It is not a de Polignac number, because 40553055 - 2³ = 40553047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15474 + ... + 17903.

It is an arithmetic number, because the mean of its divisors is an integer number (3037398).

Almost surely, 2^40553055 is an apocalyptic number.

40553055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40553055 is a deficient number, since it is larger than the sum of its proper divisors (32344497).

40553055 is an equidigital number, since it uses as much as digits as its factorization.

40553055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33397 (or 33385 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 40553055 is about 6368.1280608983. The cubic root of 40553055 is about 343.5641648979.

Adding to 40553055 its reverse (55035504), we get a palindrome (95588559).

The spelling of 40553055 in words is "forty million, five hundred fifty-three thousand, fifty-five".