44920549 has 2 divisors, whose sum is σ = 44920550. Its totient is φ = 44920548.

The previous prime is 44920489. The next prime is 44920573. The reversal of 44920549 is 94502944.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44488900 + 431649 = 6670^2 + 657^2 .

It is a cyclic number.

It is not a de Polignac number, because 44920549 - 2¹⁷ = 44789477 is a prime.

It is a super-2 number, since 2×44920549² = 4035711444922802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44920049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22460274 + 22460275.

It is an arithmetic number, because the mean of its divisors is an integer number (22460275).

Almost surely, 2^44920549 is an apocalyptic number.

It is an amenable number.

44920549 is a deficient number, since it is larger than the sum of its proper divisors (1).

44920549 is an equidigital number, since it uses as much as digits as its factorization.

44920549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 44920549 is about 6702.2793883872. The cubic root of 44920549 is about 355.4798747379.

The spelling of 44920549 in words is "forty-four million, nine hundred twenty thousand, five hundred forty-nine".