55100056061 has 2 divisors, whose sum is σ = 55100056062. Its totient is φ = 55100056060.

The previous prime is 55100056003. The next prime is 55100056127. The reversal of 55100056061 is 16065000155.

55100056061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55020739225 + 79316836 = 234565^2 + 8906^2 .

It is a cyclic number.

It is not a de Polignac number, because 55100056061 - 2¹⁰ = 55100055037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55100056001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27550028030 + 27550028031.

It is an arithmetic number, because the mean of its divisors is an integer number (27550028031).

Almost surely, 2^55100056061 is an apocalyptic number.

It is an amenable number.

55100056061 is a deficient number, since it is larger than the sum of its proper divisors (1).

55100056061 is an equidigital number, since it uses as much as digits as its factorization.

55100056061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 55100056061 in words is "fifty-five billion, one hundred million, fifty-six thousand, sixty-one".