5551785 has 12 divisors (see below), whose sum is σ = 9623172. Its totient is φ = 2960928.

The previous prime is 5551783. The next prime is 5551801. The reversal of 5551785 is 5871555.

It can be written as a sum of positive squares in 2 ways, for example, as 2322576 + 3229209 = 1524^2 + 1797^2 .

It is not a de Polignac number, because 5551785 - 2¹ = 5551783 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5551783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61642 + ... + 61731.

It is an arithmetic number, because the mean of its divisors is an integer number (801931).

Almost surely, 2^5551785 is an apocalyptic number.

It is an amenable number.

5551785 is a deficient number, since it is larger than the sum of its proper divisors (4071387).

5551785 is a wasteful number, since it uses less digits than its factorization.

5551785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123384 (or 123381 counting only the distinct ones).

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

The square root of 5551785 is about 2356.2226125729. Note that the first 3 decimals coincide. The cubic root of 5551785 is about 177.0696843306.

It can be divided in two parts, 5551 and 785, that added together give a palindrome (6336).

The spelling of 5551785 in words is "five million, five hundred fifty-one thousand, seven hundred eighty-five".