44550661 has 2 divisors, whose sum is σ = 44550662. Its totient is φ = 44550660.

The previous prime is 44550647. The next prime is 44550673. The reversal of 44550661 is 16605544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28026436 + 16524225 = 5294^2 + 4065^2 .

It is a cyclic number.

It is not a de Polignac number, because 44550661 - 2⁵ = 44550629 is a prime.

It is a super-2 number, since 2×44550661² = 3969522791073842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44550601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22275330 + 22275331.

It is an arithmetic number, because the mean of its divisors is an integer number (22275331).

Almost surely, 2^44550661 is an apocalyptic number.

It is an amenable number.

44550661 is a deficient number, since it is larger than the sum of its proper divisors (1).

44550661 is an equidigital number, since it uses as much as digits as its factorization.

44550661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 44550661 is about 6674.6281544368. The cubic root of 44550661 is about 354.5014784000.

The spelling of 44550661 in words is "forty-four million, five hundred fifty thousand, six hundred sixty-one".