38909055 has 16 divisors (see below), whose sum is σ = 65531520. Its totient is φ = 19659168.

The previous prime is 38909021. The next prime is 38909069. The reversal of 38909055 is 55090983.

It is not a de Polignac number, because 38909055 - 2¹⁰ = 38908031 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67977 + ... + 68546.

It is an arithmetic number, because the mean of its divisors is an integer number (4095720).

Almost surely, 2^38909055 is an apocalyptic number.

38909055 is a deficient number, since it is larger than the sum of its proper divisors (26622465).

38909055 is a wasteful number, since it uses less digits than its factorization.

38909055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136550.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 38909055 is about 6237.7123210357. The cubic root of 38909055 is about 338.8573376620.

The spelling of 38909055 in words is "thirty-eight million, nine hundred nine thousand, fifty-five".