5503363561 has 2 divisors, whose sum is σ = 5503363562. Its totient is φ = 5503363560.

The previous prime is 5503363549. The next prime is 5503363583. The reversal of 5503363561 is 1653633055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5488587225 + 14776336 = 74085^2 + 3844^2 .

It is a cyclic number.

It is not a de Polignac number, because 5503363561 - 2¹⁷ = 5503232489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5503363561.

It is not a weakly prime, because it can be changed into another prime (5503363511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2751681780 + 2751681781.

It is an arithmetic number, because the mean of its divisors is an integer number (2751681781).

Almost surely, 2^5503363561 is an apocalyptic number.

It is an amenable number.

5503363561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5503363561 is an equidigital number, since it uses as much as digits as its factorization.

5503363561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121500, while the sum is 37.

The square root of 5503363561 is about 74184.6585285664. The cubic root of 5503363561 is about 1765.5339289402.

The spelling of 5503363561 in words is "five billion, five hundred three million, three hundred sixty-three thousand, five hundred sixty-one".