56782028801 has 2 divisors, whose sum is σ = 56782028802. Its totient is φ = 56782028800.

The previous prime is 56782028759. The next prime is 56782028813. The reversal of 56782028801 is 10882028765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46697049025 + 10084979776 = 216095^2 + 100424^2 .

It is a cyclic number.

It is not a de Polignac number, because 56782028801 - 2²² = 56777834497 is a prime.

It is not a weakly prime, because it can be changed into another prime (56784028801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28391014400 + 28391014401.

It is an arithmetic number, because the mean of its divisors is an integer number (28391014401).

Almost surely, 2^56782028801 is an apocalyptic number.

It is an amenable number.

56782028801 is a deficient number, since it is larger than the sum of its proper divisors (1).

56782028801 is an equidigital number, since it uses as much as digits as its factorization.

56782028801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 430080, while the sum is 47.

The spelling of 56782028801 in words is "fifty-six billion, seven hundred eighty-two million, twenty-eight thousand, eight hundred one".