5537421 has 6 divisors (see below), whose sum is σ = 7998510. Its totient is φ = 3691608.

The previous prime is 5537401. The next prime is 5537423. The reversal of 5537421 is 1247355.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4796100 + 741321 = 2190^2 + 861^2 .

It is not a de Polignac number, because 5537421 - 2¹⁰ = 5536397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5537423) 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 5 ways as a sum of consecutive naturals, for example, 307626 + ... + 307643.

It is an arithmetic number, because the mean of its divisors is an integer number (1333085).

Almost surely, 2^5537421 is an apocalyptic number.

It is an amenable number.

5537421 is a deficient number, since it is larger than the sum of its proper divisors (2461089).

5537421 is a wasteful number, since it uses less digits than its factorization.

5537421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615275 (or 615272 counting only the distinct ones).

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

The square root of 5537421 is about 2353.1725393604. The cubic root of 5537421 is about 176.9168430599.

The spelling of 5537421 in words is "five million, five hundred thirty-seven thousand, four hundred twenty-one".