38255565 has 16 divisors (see below), whose sum is σ = 61300800. Its totient is φ = 20372352.

The previous prime is 38255563. The next prime is 38255579. The reversal of 38255565 is 56555283.

It is not a de Polignac number, because 38255565 - 2¹ = 38255563 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38255563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11401 + ... + 14369.

It is an arithmetic number, because the mean of its divisors is an integer number (3831300).

Almost surely, 2^38255565 is an apocalyptic number.

It is an amenable number.

38255565 is a deficient number, since it is larger than the sum of its proper divisors (23045235).

38255565 is a wasteful number, since it uses less digits than its factorization.

38255565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836.

The product of its digits is 180000, while the sum is 39.

The square root of 38255565 is about 6185.1083256480. The cubic root of 38255565 is about 336.9495444072.

The spelling of 38255565 in words is "thirty-eight million, two hundred fifty-five thousand, five hundred sixty-five".