5533731 has 64 divisors (see below), whose sum is σ = 10444800. Its totient is φ = 2822688.

The previous prime is 5533709. The next prime is 5533739. The reversal of 5533731 is 1373355.

5533731 = 133² + 134² + ... + 266².

It is not a de Polignac number, because 5533731 - 2¹⁹ = 5009443 is a prime.

It is a super-2 number, since 2×5533731² = 61244357560722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

5533731 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5533695 and 5533704.

It is not an unprimeable number, because it can be changed into a prime (5533739) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82560 + ... + 82626.

It is an arithmetic number, because the mean of its divisors is an integer number (163200).

Almost surely, 2^5533731 is an apocalyptic number.

5533731 is a deficient number, since it is larger than the sum of its proper divisors (4911069).

5533731 is a wasteful number, since it uses less digits than its factorization.

5533731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 119 counting only the distinct ones).

The product of its digits is 4725, while the sum is 27.

The square root of 5533731 is about 2352.3883607942. The cubic root of 5533731 is about 176.8775366624.

The spelling of 5533731 in words is "five million, five hundred thirty-three thousand, seven hundred thirty-one".