44552825561 has 2 divisors, whose sum is σ = 44552825562. Its totient is φ = 44552825560.

The previous prime is 44552825509. The next prime is 44552825663. The reversal of 44552825561 is 16552825544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28520454400 + 16032371161 = 168880^2 + 126619^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44552825561 is a prime.

It is not a weakly prime, because it can be changed into another prime (44552825461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22276412780 + 22276412781.

It is an arithmetic number, because the mean of its divisors is an integer number (22276412781).

Almost surely, 2^44552825561 is an apocalyptic number.

It is an amenable number.

44552825561 is a deficient number, since it is larger than the sum of its proper divisors (1).

44552825561 is an equidigital number, since it uses as much as digits as its factorization.

44552825561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920000, while the sum is 47.

The spelling of 44552825561 in words is "forty-four billion, five hundred fifty-two million, eight hundred twenty-five thousand, five hundred sixty-one".