38565545 has 4 divisors (see below), whose sum is σ = 46278660. Its totient is φ = 30852432.

The previous prime is 38565529. The next prime is 38565559. The reversal of 38565545 is 54556583.

38565545 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, and also an emirpimes, since its reverse is a distinct semiprime: 54556583 = 97 ⋅562439.

It can be written as a sum of positive squares in 2 ways, for example, as 25684624 + 12880921 = 5068^2 + 3589^2 .

It is a cyclic number.

It is not a de Polignac number, because 38565545 - 2⁴ = 38565529 is a prime.

It is a super-2 number, since 2×38565545² = 2974602522294050, which contains 22 as substring.

It is an unprimeable number.

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, 3856550 + ... + 3856559.

It is an arithmetic number, because the mean of its divisors is an integer number (11569665).

Almost surely, 2^38565545 is an apocalyptic number.

It is an amenable number.

38565545 is a deficient number, since it is larger than the sum of its proper divisors (7713115).

38565545 is an equidigital number, since it uses as much as digits as its factorization.

38565545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7713114.

The product of its digits is 360000, while the sum is 41.

The square root of 38565545 is about 6210.1163435156. The cubic root of 38565545 is about 337.8571838080.

The spelling of 38565545 in words is "thirty-eight million, five hundred sixty-five thousand, five hundred forty-five".