38540055 has 16 divisors (see below), whose sum is σ = 62152704. Its totient is φ = 20391840.

The previous prime is 38540027. The next prime is 38540057. The reversal of 38540055 is 55004583.

It is not a de Polignac number, because 38540055 - 2⁵ = 38540023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38540057) 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 15 ways as a sum of consecutive naturals, for example, 8211 + ... + 12020.

It is an arithmetic number, because the mean of its divisors is an integer number (3884544).

Almost surely, 2^38540055 is an apocalyptic number.

38540055 is a deficient number, since it is larger than the sum of its proper divisors (23612649).

38540055 is a wasteful number, since it uses less digits than its factorization.

38540055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20366.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 38540055 is about 6208.0637077917. The cubic root of 38540055 is about 337.7827315331.

The spelling of 38540055 in words is "thirty-eight million, five hundred forty thousand, fifty-five".