40050055 has 4 divisors (see below), whose sum is σ = 48060072. Its totient is φ = 32040040.

The previous prime is 40050053. The next prime is 40050083. The reversal of 40050055 is 55005004.

It is a happy number.

40050055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40050055 - 2¹ = 40050053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40050053) 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 3 ways as a sum of consecutive naturals, for example, 4005001 + ... + 4005010.

It is an arithmetic number, because the mean of its divisors is an integer number (12015018).

Almost surely, 2^40050055 is an apocalyptic number.

40050055 is a deficient number, since it is larger than the sum of its proper divisors (8010017).

40050055 is an equidigital number, since it uses as much as digits as its factorization.

40050055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8010016.

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 40050055 is about 6328.5112783339. The cubic root of 40050055 is about 342.1377846152.

Adding to 40050055 its reverse (55005004), we get a palindrome (95055059).

The spelling of 40050055 in words is "forty million, fifty thousand, fifty-five".