5556615601 has 2 divisors, whose sum is σ = 5556615602. Its totient is φ = 5556615600.

The previous prime is 5556615593. The next prime is 5556615611. The reversal of 5556615601 is 1065166555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4973634576 + 582981025 = 70524^2 + 24145^2 .

It is a cyclic number.

It is not a de Polignac number, because 5556615601 - 2³ = 5556615593 is a prime.

It is not a weakly prime, because it can be changed into another prime (5556615611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2778307800 + 2778307801.

It is an arithmetic number, because the mean of its divisors is an integer number (2778307801).

Almost surely, 2^5556615601 is an apocalyptic number.

It is an amenable number.

5556615601 is a deficient number, since it is larger than the sum of its proper divisors (1).

5556615601 is an equidigital number, since it uses as much as digits as its factorization.

5556615601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 5556615601 is about 74542.7099118351. The cubic root of 5556615601 is about 1771.2102547780.

The spelling of 5556615601 in words is "five billion, five hundred fifty-six million, six hundred fifteen thousand, six hundred one".