55656113125061 has 2 divisors, whose sum is σ = 55656113125062. Its totient is φ = 55656113125060.

The previous prime is 55656113125027. The next prime is 55656113125139. The reversal of 55656113125061 is 16052131165655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44625205644100 + 11030907480961 = 6680210^2 + 3321281^2 .

It is a cyclic number.

It is not a de Polignac number, because 55656113125061 - 2²² = 55656108930757 is a prime.

It is a super-2 number, since 2×55656113125061² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55656113124997 and 55656113125015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55656113125661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27828056562530 + 27828056562531.

It is an arithmetic number, because the mean of its divisors is an integer number (27828056562531).

Almost surely, 2^{55656113125061} is an apocalyptic number.

It is an amenable number.

55656113125061 is a deficient number, since it is larger than the sum of its proper divisors (1).

55656113125061 is an equidigital number, since it uses as much as digits as its factorization.

55656113125061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 55656113125061 in words is "fifty-five trillion, six hundred fifty-six billion, one hundred thirteen million, one hundred twenty-five thousand, sixty-one".