550511554361 has 2 divisors, whose sum is σ = 550511554362. Its totient is φ = 550511554360.

The previous prime is 550511554301. The next prime is 550511554429. The reversal of 550511554361 is 163455115055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 415689667600 + 134821886761 = 644740^2 + 367181^2 .

It is a cyclic number.

It is not a de Polignac number, because 550511554361 - 2¹⁴ = 550511537977 is a prime.

It is not a weakly prime, because it can be changed into another prime (550511554301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275255777180 + 275255777181.

It is an arithmetic number, because the mean of its divisors is an integer number (275255777181).

Almost surely, 2^550511554361 is an apocalyptic number.

It is an amenable number.

550511554361 is a deficient number, since it is larger than the sum of its proper divisors (1).

550511554361 is an equidigital number, since it uses as much as digits as its factorization.

550511554361 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 41.

The spelling of 550511554361 in words is "five hundred fifty billion, five hundred eleven million, five hundred fifty-four thousand, three hundred sixty-one".