56006049557 has 2 divisors, whose sum is σ = 56006049558. Its totient is φ = 56006049556.

The previous prime is 56006049553. The next prime is 56006049571. The reversal of 56006049557 is 75594060065.

It is a happy number.

56006049557 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., 45971219281 + 10034830276 = 214409^2 + 100174^2 .

It is a cyclic number.

It is not a de Polignac number, because 56006049557 - 2² = 56006049553 is a prime.

It is a super-2 number, since 2×56006049557² (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 (56006049553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28003024778 + 28003024779.

It is an arithmetic number, because the mean of its divisors is an integer number (28003024779).

Almost surely, 2^56006049557 is an apocalyptic number.

It is an amenable number.

56006049557 is a deficient number, since it is larger than the sum of its proper divisors (1).

56006049557 is an equidigital number, since it uses as much as digits as its factorization.

56006049557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134000, while the sum is 47.

The spelling of 56006049557 in words is "fifty-six billion, six million, forty-nine thousand, five hundred fifty-seven".