5537481 has 4 divisors (see below), whose sum is σ = 7383312. Its totient is φ = 3691652.

The previous prime is 5537479. The next prime is 5537489. The reversal of 5537481 is 1847355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5537481 - 2¹ = 5537479 is a prime.

It is a super-2 number, since 2×5537481² = 61327391650722, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5537489) 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 3 ways as a sum of consecutive naturals, for example, 922911 + ... + 922916.

It is an arithmetic number, because the mean of its divisors is an integer number (1845828).

Almost surely, 2^5537481 is an apocalyptic number.

It is an amenable number.

5537481 is a deficient number, since it is larger than the sum of its proper divisors (1845831).

5537481 is a wasteful number, since it uses less digits than its factorization.

5537481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845830.

The product of its digits is 16800, while the sum is 33.

The square root of 5537481 is about 2353.1852880723. The cubic root of 5537481 is about 176.9174820440.

It can be divided in two parts, 55374 and 81, that added together give a palindrome (55455).

The spelling of 5537481 in words is "five million, five hundred thirty-seven thousand, four hundred eighty-one".