55877442451541 has 2 divisors, whose sum is σ = 55877442451542. Its totient is φ = 55877442451540.

The previous prime is 55877442451403. The next prime is 55877442451549. The reversal of 55877442451541 is 14515424477855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53591857857316 + 2285584594225 = 7320646^2 + 1511815^2 .

It is a cyclic number.

It is not a de Polignac number, because 55877442451541 - 2²² = 55877438257237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55877442451549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27938721225770 + 27938721225771.

It is an arithmetic number, because the mean of its divisors is an integer number (27938721225771).

Almost surely, 2^{55877442451541} is an apocalyptic number.

It is an amenable number.

55877442451541 is a deficient number, since it is larger than the sum of its proper divisors (1).

55877442451541 is an equidigital number, since it uses as much as digits as its factorization.

55877442451541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 125440000, while the sum is 62.

The spelling of 55877442451541 in words is "fifty-five trillion, eight hundred seventy-seven billion, four hundred forty-two million, four hundred fifty-one thousand, five hundred forty-one".