550078025573 has 2 divisors, whose sum is σ = 550078025574. Its totient is φ = 550078025572.

The previous prime is 550078025543. The next prime is 550078025621. The reversal of 550078025573 is 375520870055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297087133249 + 252990892324 = 545057^2 + 502982^2 .

It is a cyclic number.

It is not a de Polignac number, because 550078025573 - 2¹⁸ = 550077763429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550078025543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275039012786 + 275039012787.

It is an arithmetic number, because the mean of its divisors is an integer number (275039012787).

Almost surely, 2^550078025573 is an apocalyptic number.

It is an amenable number.

550078025573 is a deficient number, since it is larger than the sum of its proper divisors (1).

550078025573 is an equidigital number, since it uses as much as digits as its factorization.

550078025573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470000, while the sum is 47.

The spelling of 550078025573 in words is "five hundred fifty billion, seventy-eight million, twenty-five thousand, five hundred seventy-three".