56887922461 has 2 divisors, whose sum is σ = 56887922462. Its totient is φ = 56887922460.

The previous prime is 56887922383. The next prime is 56887922467. The reversal of 56887922461 is 16422978865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35069678361 + 21818244100 = 187269^2 + 147710^2 .

It is a cyclic number.

It is not a de Polignac number, because 56887922461 - 2¹⁹ = 56887398173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56887922396 and 56887922405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56887922467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28443961230 + 28443961231.

It is an arithmetic number, because the mean of its divisors is an integer number (28443961231).

Almost surely, 2^56887922461 is an apocalyptic number.

It is an amenable number.

56887922461 is a deficient number, since it is larger than the sum of its proper divisors (1).

56887922461 is an equidigital number, since it uses as much as digits as its factorization.

56887922461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11612160, while the sum is 58.

The spelling of 56887922461 in words is "fifty-six billion, eight hundred eighty-seven million, nine hundred twenty-two thousand, four hundred sixty-one".