55536866941 has 2 divisors, whose sum is σ = 55536866942. Its totient is φ = 55536866940.

The previous prime is 55536866929. The next prime is 55536866977. The reversal of 55536866941 is 14966863555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54119043225 + 1417823716 = 232635^2 + 37654^2 .

It is a cyclic number.

It is not a de Polignac number, because 55536866941 - 2⁵ = 55536866909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55536866921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27768433470 + 27768433471.

It is an arithmetic number, because the mean of its divisors is an integer number (27768433471).

Almost surely, 2^55536866941 is an apocalyptic number.

It is an amenable number.

55536866941 is a deficient number, since it is larger than the sum of its proper divisors (1).

55536866941 is an equidigital number, since it uses as much as digits as its factorization.

55536866941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328000, while the sum is 58.

The spelling of 55536866941 in words is "fifty-five billion, five hundred thirty-six million, eight hundred sixty-six thousand, nine hundred forty-one".