5573421 has 32 divisors (see below), whose sum is σ = 9703680. Its totient is φ = 3094848.

The previous prime is 5573413. The next prime is 5573461. The reversal of 5573421 is 1243755.

It is a happy number.

5573421 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 5573421 - 2³ = 5573413 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5573461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6595 + ... + 7391.

It is an arithmetic number, because the mean of its divisors is an integer number (303240).

Almost surely, 2^5573421 is an apocalyptic number.

It is an amenable number.

5573421 is a deficient number, since it is larger than the sum of its proper divisors (4130259).

5573421 is a wasteful number, since it uses less digits than its factorization.

5573421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 844 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 5573421 is about 2360.8093951016. The cubic root of 5573421 is about 177.2994070657.

It can be divided in two parts, 55734 and 21, that added together give a palindrome (55755).

The spelling of 5573421 in words is "five million, five hundred seventy-three thousand, four hundred twenty-one".