5631756 has 36 divisors (see below), whose sum is σ = 14234472. Its totient is φ = 1732224.

The previous prime is 5631751. The next prime is 5631761. The reversal of 5631756 is 6571365.

It is an interprime number because it is at equal distance from previous prime (5631751) and next prime (5631761).

It is not an unprimeable number, because it can be changed into a prime (5631751) 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, 640 + ... + 3416.

It is an arithmetic number, because the mean of its divisors is an integer number (395402).

Almost surely, 2^5631756 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5631756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7117236).

5631756 is an abundant number, since it is smaller than the sum of its proper divisors (8602716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5631756 is a wasteful number, since it uses less digits than its factorization.

5631756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810 (or 2795 counting only the distinct ones).

The product of its digits is 18900, while the sum is 33.

The square root of 5631756 is about 2373.1321075743. The cubic root of 5631756 is about 177.9158378375.

The spelling of 5631756 in words is "five million, six hundred thirty-one thousand, seven hundred fifty-six".