550106129501 has 2 divisors, whose sum is σ = 550106129502. Its totient is φ = 550106129500.

The previous prime is 550106129437. The next prime is 550106129509. The reversal of 550106129501 is 105921601055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 469637460601 + 80468668900 = 685301^2 + 283670^2 .

It is a cyclic number.

It is not a de Polignac number, because 550106129501 - 2⁶ = 550106129437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550106129509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275053064750 + 275053064751.

It is an arithmetic number, because the mean of its divisors is an integer number (275053064751).

Almost surely, 2^550106129501 is an apocalyptic number.

It is an amenable number.

550106129501 is a deficient number, since it is larger than the sum of its proper divisors (1).

550106129501 is an equidigital number, since it uses as much as digits as its factorization.

550106129501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 35.

The spelling of 550106129501 in words is "five hundred fifty billion, one hundred six million, one hundred twenty-nine thousand, five hundred one".