56527219261 has 2 divisors, whose sum is σ = 56527219262. Its totient is φ = 56527219260.

The previous prime is 56527219211. The next prime is 56527219313. The reversal of 56527219261 is 16291272565.

56527219261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51356171161 + 5171048100 = 226619^2 + 71910^2 .

It is a cyclic number.

It is not a de Polignac number, because 56527219261 - 2¹¹ = 56527217213 is a prime.

It is a super-2 number, since 2×56527219261² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56527219211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28263609630 + 28263609631.

It is an arithmetic number, because the mean of its divisors is an integer number (28263609631).

Almost surely, 2^56527219261 is an apocalyptic number.

It is an amenable number.

56527219261 is a deficient number, since it is larger than the sum of its proper divisors (1).

56527219261 is an equidigital number, since it uses as much as digits as its factorization.

56527219261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 46.

The spelling of 56527219261 in words is "fifty-six billion, five hundred twenty-seven million, two hundred nineteen thousand, two hundred sixty-one".