545080553 has 2 divisors, whose sum is σ = 545080554. Its totient is φ = 545080552.

The previous prime is 545080541. The next prime is 545080579. The reversal of 545080553 is 355080545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 388405264 + 156675289 = 19708^2 + 12517^2 .

It is a cyclic number.

It is not a de Polignac number, because 545080553 - 2⁶ = 545080489 is a prime.

It is a super-2 number, since 2×545080553² = 594225618517571618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (545080583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272540276 + 272540277.

It is an arithmetic number, because the mean of its divisors is an integer number (272540277).

Almost surely, 2^545080553 is an apocalyptic number.

It is an amenable number.

545080553 is a deficient number, since it is larger than the sum of its proper divisors (1).

545080553 is an equidigital number, since it uses as much as digits as its factorization.

545080553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 545080553 is about 23346.9602518187. The cubic root of 545080553 is about 816.8711585835.

The spelling of 545080553 in words is "five hundred forty-five million, eighty thousand, five hundred fifty-three".