55770257611 has 2 divisors, whose sum is σ = 55770257612. Its totient is φ = 55770257610.

The previous prime is 55770257603. The next prime is 55770257617. The reversal of 55770257611 is 11675207755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55770257611 - 2³ = 55770257603 is a prime.

It is a super-2 number, since 2×55770257611² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55770257617) 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, 27885128805 + 27885128806.

It is an arithmetic number, because the mean of its divisors is an integer number (27885128806).

Almost surely, 2^55770257611 is an apocalyptic number.

55770257611 is a deficient number, since it is larger than the sum of its proper divisors (1).

55770257611 is an equidigital number, since it uses as much as digits as its factorization.

55770257611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 514500, while the sum is 46.

The spelling of 55770257611 in words is "fifty-five billion, seven hundred seventy million, two hundred fifty-seven thousand, six hundred eleven".