44755681 has 8 divisors (see below), whose sum is σ = 46050984. Its totient is φ = 43464960.

The previous prime is 44755651. The next prime is 44755687. The reversal of 44755681 is 18655744.

It can be written as a sum of positive squares in 4 ways, for example, as 22240656 + 22515025 = 4716^2 + 4745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44755681 - 2⁷ = 44755553 is a prime.

It is a super-2 number, since 2×44755681² = 4006141963547522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44755687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31911 + ... + 33283.

It is an arithmetic number, because the mean of its divisors is an integer number (5756373).

Almost surely, 2^44755681 is an apocalyptic number.

It is an amenable number.

44755681 is a deficient number, since it is larger than the sum of its proper divisors (1295303).

44755681 is a wasteful number, since it uses less digits than its factorization.

44755681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291.

The product of its digits is 134400, while the sum is 40.

The square root of 44755681 is about 6689.9686845306. The cubic root of 44755681 is about 355.0444459329.

The spelling of 44755681 in words is "forty-four million, seven hundred fifty-five thousand, six hundred eighty-one".