5532381 has 14 divisors (see below), whose sum is σ = 8295870. Its totient is φ = 3687768.

The previous prime is 5532377. The next prime is 5532389. The reversal of 5532381 is 1832355.

It can be written as a sum of positive squares in only one way, i.e., 3080025 + 2452356 = 1755^2 + 1566^2 .

It is not a de Polignac number, because 5532381 - 2² = 5532377 is a prime.

It is a super-2 number, since 2×5532381² = 61214479058322, which contains 22 as substring.

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

It is an Ulam number.

5532381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5532389) 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 13 ways as a sum of consecutive naturals, for example, 3066 + ... + 4523.

Almost surely, 2^5532381 is an apocalyptic number.

It is an amenable number.

5532381 is a deficient number, since it is larger than the sum of its proper divisors (2763489).

5532381 is an frugal number, since it uses more digits than its factorization.

5532381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7607 (or 7592 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 5532381 is about 2352.1014008754. The cubic root of 5532381 is about 176.8631519073.

The spelling of 5532381 in words is "five million, five hundred thirty-two thousand, three hundred eighty-one".