55857288701 has 2 divisors, whose sum is σ = 55857288702. Its totient is φ = 55857288700.

The previous prime is 55857288691. The next prime is 55857288709. The reversal of 55857288701 is 10788275855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31801588900 + 24055699801 = 178330^2 + 155099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55857288701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55857288709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27928644350 + 27928644351.

It is an arithmetic number, because the mean of its divisors is an integer number (27928644351).

Almost surely, 2^55857288701 is an apocalyptic number.

It is an amenable number.

55857288701 is a deficient number, since it is larger than the sum of its proper divisors (1).

55857288701 is an equidigital number, since it uses as much as digits as its factorization.

55857288701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272000, while the sum is 56.

The spelling of 55857288701 in words is "fifty-five billion, eight hundred fifty-seven million, two hundred eighty-eight thousand, seven hundred one".