5528731 has 8 divisors (see below), whose sum is σ = 6013280. Its totient is φ = 5052672.

The previous prime is 5528711. The next prime is 5528737. The reversal of 5528731 is 1378255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5528731 - 2⁷ = 5528603 is a prime.

It is a super-2 number, since 2×5528731² = 61133732940722, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 5528693 and 5528702.

It is not an unprimeable number, because it can be changed into a prime (5528737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726 + ... + 3403.

It is an arithmetic number, because the mean of its divisors is an integer number (751660).

Almost surely, 2^5528731 is an apocalyptic number.

5528731 is a deficient number, since it is larger than the sum of its proper divisors (484549).

5528731 is a wasteful number, since it uses less digits than its factorization.

5528731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4245.

The product of its digits is 8400, while the sum is 31.

The square root of 5528731 is about 2351.3253709344. The cubic root of 5528731 is about 176.8242480716.

The spelling of 5528731 in words is "five million, five hundred twenty-eight thousand, seven hundred thirty-one".