40055054 has 16 divisors (see below), whose sum is σ = 65526720. Its totient is φ = 18252000.

The previous prime is 40055051. The next prime is 40055087. The reversal of 40055054 is 45055004.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40055051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7697 + ... + 11804.

It is an arithmetic number, because the mean of its divisors is an integer number (4095420).

Almost surely, 2^40055054 is an apocalyptic number.

40055054 is a deficient number, since it is larger than the sum of its proper divisors (25471666).

40055054 is a wasteful number, since it uses less digits than its factorization.

40055054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19595.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 40055054 is about 6328.9062246173. The cubic root of 40055054 is about 342.1520190994.

The spelling of 40055054 in words is "forty million, fifty-five thousand, fifty-four".