538045785 has 48 divisors (see below), whose sum is σ = 975881088. Its totient is φ = 273715200.

The previous prime is 538045769. The next prime is 538045793. The reversal of 538045785 is 587540835.

538045785 is a `hidden beast` number, since 538 + 0 + 45 + 78 + 5 = 666.

It is not a de Polignac number, because 538045785 - 2⁴ = 538045769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 538045785.

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 47 ways as a sum of consecutive naturals, for example, 663030 + ... + 663840.

It is an arithmetic number, because the mean of its divisors is an integer number (20330856).

Almost surely, 2^538045785 is an apocalyptic number.

It is an amenable number.

538045785 is a deficient number, since it is larger than the sum of its proper divisors (437835303).

538045785 is a wasteful number, since it uses less digits than its factorization.

538045785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486 (or 1483 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The square root of 538045785 is about 23195.8139542461. The cubic root of 538045785 is about 813.3417724907.

The spelling of 538045785 in words is "five hundred thirty-eight million, forty-five thousand, seven hundred eighty-five".