44561416553 has 2 divisors, whose sum is σ = 44561416554. Its totient is φ = 44561416552.

The previous prime is 44561416541. The next prime is 44561416561. The reversal of 44561416553 is 35561416544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41815342144 + 2746074409 = 204488^2 + 52403^2 .

It is a cyclic number.

It is not a de Polignac number, because 44561416553 - 2¹² = 44561412457 is a prime.

It is not a weakly prime, because it can be changed into another prime (44561416513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22280708276 + 22280708277.

It is an arithmetic number, because the mean of its divisors is an integer number (22280708277).

Almost surely, 2^44561416553 is an apocalyptic number.

It is an amenable number.

44561416553 is a deficient number, since it is larger than the sum of its proper divisors (1).

44561416553 is an equidigital number, since it uses as much as digits as its factorization.

44561416553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864000, while the sum is 44.

Subtracting from 44561416553 its reverse (35561416544), we obtain a palindrome (9000000009).

The spelling of 44561416553 in words is "forty-four billion, five hundred sixty-one million, four hundred sixteen thousand, five hundred fifty-three".