55555060601 has 2 divisors, whose sum is σ = 55555060602. Its totient is φ = 55555060600.

The previous prime is 55555060577. The next prime is 55555060619. The reversal of 55555060601 is 10606055555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55448475625 + 106584976 = 235475^2 + 10324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55555060601 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (55555060651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27777530300 + 27777530301.

It is an arithmetic number, because the mean of its divisors is an integer number (27777530301).

Almost surely, 2^55555060601 is an apocalyptic number.

It is an amenable number.

55555060601 is a deficient number, since it is larger than the sum of its proper divisors (1).

55555060601 is an equidigital number, since it uses as much as digits as its factorization.

55555060601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 55555060601 in words is "fifty-five billion, five hundred fifty-five million, sixty thousand, six hundred one".