5644357 has 12 divisors (see below), whose sum is σ = 6240780. Its totient is φ = 5081216.

The previous prime is 5644351. The next prime is 5644363. The reversal of 5644357 is 7534465.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5644351) and next prime (5644363).

It can be written as a sum of positive squares in 2 ways, for example, as 3709476 + 1934881 = 1926^2 + 1391^2 .

It is not a de Polignac number, because 5644357 - 2¹¹ = 5642309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52698 + ... + 52804.

It is an arithmetic number, because the mean of its divisors is an integer number (520065).

Almost surely, 2^5644357 is an apocalyptic number.

It is an amenable number.

5644357 is a deficient number, since it is larger than the sum of its proper divisors (596423).

5644357 is a wasteful number, since it uses less digits than its factorization.

5644357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 153 counting only the distinct ones).

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

The square root of 5644357 is about 2375.7855542957. The cubic root of 5644357 is about 178.0484339856.

The spelling of 5644357 in words is "five million, six hundred forty-four thousand, three hundred fifty-seven".