555000055061 has 2 divisors, whose sum is σ = 555000055062. Its totient is φ = 555000055060.

The previous prime is 555000055013. The next prime is 555000055063. The reversal of 555000055061 is 160550000555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 488174703025 + 66825352036 = 698695^2 + 258506^2 .

It is a cyclic number.

It is not a de Polignac number, because 555000055061 - 2⁶ = 555000054997 is a prime.

It is a super-2 number, since 2×555000055061² (a number of 24 digits) contains 22 as substring.

Together with 555000055063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555000055063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277500027530 + 277500027531.

It is an arithmetic number, because the mean of its divisors is an integer number (277500027531).

Almost surely, 2^555000055061 is an apocalyptic number.

It is an amenable number.

555000055061 is a deficient number, since it is larger than the sum of its proper divisors (1).

555000055061 is an equidigital number, since it uses as much as digits as its factorization.

555000055061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 555000055061 in words is "five hundred fifty-five billion, fifty-five thousand, sixty-one".