44165537 has 12 divisors (see below), whose sum is σ = 48201300. Its totient is φ = 40226400.

The previous prime is 44165509. The next prime is 44165549. The reversal of 44165537 is 73556144.

It can be written as a sum of positive squares in 2 ways, for example, as 5837056 + 38328481 = 2416^2 + 6191^2 .

It is not a de Polignac number, because 44165537 - 2¹⁰ = 44164513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44165497 and 44165506.

It is not an unprimeable number, because it can be changed into a prime (44165587) 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, 292412 + ... + 292562.

It is an arithmetic number, because the mean of its divisors is an integer number (4016775).

Almost surely, 2^44165537 is an apocalyptic number.

It is an amenable number.

44165537 is a deficient number, since it is larger than the sum of its proper divisors (4035763).

44165537 is a wasteful number, since it uses less digits than its factorization.

44165537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 313 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 44165537 is about 6645.7156875689. The cubic root of 44165537 is about 353.4770092287.

The spelling of 44165537 in words is "forty-four million, one hundred sixty-five thousand, five hundred thirty-seven".