44561313 has 16 divisors (see below), whose sum is σ = 68294400. Its totient is φ = 28682640.

The previous prime is 44561299. The next prime is 44561323. The reversal of 44561313 is 31316544.

44561313 is a `hidden beast` number, since 4 + 45 + 613 + 1 + 3 = 666.

It is not a de Polignac number, because 44561313 - 2¹³ = 44553121 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (44561323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27673 + ... + 29238.

It is an arithmetic number, because the mean of its divisors is an integer number (4268400).

Almost surely, 2^44561313 is an apocalyptic number.

It is an amenable number.

44561313 is a deficient number, since it is larger than the sum of its proper divisors (23733087).

44561313 is a wasteful number, since it uses less digits than its factorization.

44561313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56949 (or 56943 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 44561313 is about 6675.4260538186. The cubic root of 44561313 is about 354.5297297491.

Adding to 44561313 its reverse (31316544), we get a palindrome (75877857).

The spelling of 44561313 in words is "forty-four million, five hundred sixty-one thousand, three hundred thirteen".