5631777 has 12 divisors (see below), whose sum is σ = 8613540. Its totient is φ = 3533568.

The previous prime is 5631767. The next prime is 5631781. The reversal of 5631777 is 7771365.

It can be written as a sum of positive squares in 2 ways, for example, as 3272481 + 2359296 = 1809^2 + 1536^2 .

It is not a de Polignac number, because 5631777 - 2⁴ = 5631761 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631707) 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, 18252 + ... + 18557.

It is an arithmetic number, because the mean of its divisors is an integer number (717795).

Almost surely, 2^5631777 is an apocalyptic number.

It is an amenable number.

5631777 is a deficient number, since it is larger than the sum of its proper divisors (2981763).

5631777 is a wasteful number, since it uses less digits than its factorization.

5631777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36832 (or 36829 counting only the distinct ones).

The product of its digits is 30870, while the sum is 36.

The square root of 5631777 is about 2373.1365321026. The cubic root of 5631777 is about 177.9160589780.

The spelling of 5631777 in words is "five million, six hundred thirty-one thousand, seven hundred seventy-seven".