3555420553 has 2 divisors, whose sum is σ = 3555420554. Its totient is φ = 3555420552.

The previous prime is 3555420551. The next prime is 3555420601. The reversal of 3555420553 is 3550245553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3270924864 + 284495689 = 57192^2 + 16867^2 .

It is a cyclic number.

It is not a de Polignac number, because 3555420553 - 2¹ = 3555420551 is a prime.

Together with 3555420551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3555420551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1777710276 + 1777710277.

It is an arithmetic number, because the mean of its divisors is an integer number (1777710277).

Almost surely, 2^3555420553 is an apocalyptic number.

It is an amenable number.

3555420553 is a deficient number, since it is larger than the sum of its proper divisors (1).

3555420553 is an equidigital number, since it uses as much as digits as its factorization.

3555420553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225000, while the sum is 37.

The square root of 3555420553 is about 59627.3473584059. The cubic root of 3555420553 is about 1526.2663390748.

The spelling of 3555420553 in words is "three billion, five hundred fifty-five million, four hundred twenty thousand, five hundred fifty-three".