55520717011 has 2 divisors, whose sum is σ = 55520717012. Its totient is φ = 55520717010.

The previous prime is 55520716967. The next prime is 55520717051. The reversal of 55520717011 is 11071702555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55520717011 - 2¹⁹ = 55520192723 is a prime.

It is not a weakly prime, because it can be changed into another prime (55520717051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27760358505 + 27760358506.

It is an arithmetic number, because the mean of its divisors is an integer number (27760358506).

Almost surely, 2^55520717011 is an apocalyptic number.

55520717011 is a deficient number, since it is larger than the sum of its proper divisors (1).

55520717011 is an equidigital number, since it uses as much as digits as its factorization.

55520717011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12250, while the sum is 34.

The spelling of 55520717011 in words is "fifty-five billion, five hundred twenty million, seven hundred seventeen thousand, eleven".