5445637 has 4 divisors (see below), whose sum is σ = 5450796. Its totient is φ = 5440480.

The previous prime is 5445631. The next prime is 5445659. The reversal of 5445637 is 7365445.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3389281 + 2056356 = 1841^2 + 1434^2 .

It is a cyclic number.

It is not a de Polignac number, because 5445637 - 2¹⁹ = 4921349 is a prime.

It is a Duffinian number.

5445637 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358 + ... + 3319.

It is an arithmetic number, because the mean of its divisors is an integer number (1362699).

Almost surely, 2^5445637 is an apocalyptic number.

It is an amenable number.

5445637 is a deficient number, since it is larger than the sum of its proper divisors (5159).

5445637 is a wasteful number, since it uses less digits than its factorization.

5445637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5158.

The product of its digits is 50400, while the sum is 34.

The square root of 5445637 is about 2333.5888669601. The cubic root of 5445637 is about 175.9339132906.

The spelling of 5445637 in words is "five million, four hundred forty-five thousand, six hundred thirty-seven".