545914053257 has 2 divisors, whose sum is σ = 545914053258. Its totient is φ = 545914053256.

The previous prime is 545914053247. The next prime is 545914053299. The reversal of 545914053257 is 752350419545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 533234392441 + 12679660816 = 730229^2 + 112604^2 .

It is a cyclic number.

It is not a de Polignac number, because 545914053257 - 2²² = 545909858953 is a prime.

It is not a weakly prime, because it can be changed into another prime (545914053247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272957026628 + 272957026629.

It is an arithmetic number, because the mean of its divisors is an integer number (272957026629).

Almost surely, 2^545914053257 is an apocalyptic number.

It is an amenable number.

545914053257 is a deficient number, since it is larger than the sum of its proper divisors (1).

545914053257 is an equidigital number, since it uses as much as digits as its factorization.

545914053257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780000, while the sum is 50.

The spelling of 545914053257 in words is "five hundred forty-five billion, nine hundred fourteen million, fifty-three thousand, two hundred fifty-seven".