5155785 has 32 divisors (see below), whose sum is σ = 9260160. Its totient is φ = 2721600.

The previous prime is 5155769. The next prime is 5155789. The reversal of 5155785 is 5875515.

It is not a de Polignac number, because 5155785 - 2⁴ = 5155769 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5155789) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 24330 + ... + 24540.

It is an arithmetic number, because the mean of its divisors is an integer number (289380).

Almost surely, 2^5155785 is an apocalyptic number.

It is an amenable number.

5155785 is a deficient number, since it is larger than the sum of its proper divisors (4104375).

5155785 is a wasteful number, since it uses less digits than its factorization.

5155785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 400 counting only the distinct ones).

The product of its digits is 35000, while the sum is 36.

The square root of 5155785 is about 2270.6353736344. The cubic root of 5155785 is about 172.7553873064.

The spelling of 5155785 in words is "five million, one hundred fifty-five thousand, seven hundred eighty-five".