5785551 has 12 divisors (see below), whose sum is σ = 8561280. Its totient is φ = 3762720.

The previous prime is 5785543. The next prime is 5785553. The reversal of 5785551 is 1555875.

It is not a de Polignac number, because 5785551 - 2³ = 5785543 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5785553) 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 11 ways as a sum of consecutive naturals, for example, 7471 + ... + 8208.

It is an arithmetic number, because the mean of its divisors is an integer number (713440).

Almost surely, 2^5785551 is an apocalyptic number.

5785551 is a deficient number, since it is larger than the sum of its proper divisors (2775729).

5785551 is a wasteful number, since it uses less digits than its factorization.

5785551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15726 (or 15723 counting only the distinct ones).

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

The square root of 5785551 is about 2405.3172347946. The cubic root of 5785551 is about 179.5208553190.

It can be divided in two parts, 5785 and 551, that added together give a palindrome (6336).

The spelling of 5785551 in words is "five million, seven hundred eighty-five thousand, five hundred fifty-one".