44552881 has 2 divisors, whose sum is σ = 44552882. Its totient is φ = 44552880.

The previous prime is 44552873. The next prime is 44552887. The reversal of 44552881 is 18825544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36481600 + 8071281 = 6040^2 + 2841^2 .

It is a cyclic number.

It is not a de Polignac number, because 44552881 - 2³ = 44552873 is a prime.

It is a super-2 number, since 2×44552881² = 3969918410800322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44552881.

It is not a weakly prime, because it can be changed into another prime (44552887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22276440 + 22276441.

It is an arithmetic number, because the mean of its divisors is an integer number (22276441).

Almost surely, 2^44552881 is an apocalyptic number.

It is an amenable number.

44552881 is a deficient number, since it is larger than the sum of its proper divisors (1).

44552881 is an equidigital number, since it uses as much as digits as its factorization.

44552881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51200, while the sum is 37.

The square root of 44552881 is about 6674.7944537641. The cubic root of 44552881 is about 354.5073666793.

The spelling of 44552881 in words is "forty-four million, five hundred fifty-two thousand, eight hundred eighty-one".