56789898553 has 2 divisors, whose sum is σ = 56789898554. Its totient is φ = 56789898552.

The previous prime is 56789898521. The next prime is 56789898569. The reversal of 56789898553 is 35589898765.

56789898553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56398175289 + 391723264 = 237483^2 + 19792^2 .

It is a cyclic number.

It is not a de Polignac number, because 56789898553 - 2⁵ = 56789898521 is a prime.

It is not a weakly prime, because it can be changed into another prime (56789898593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28394949276 + 28394949277.

It is an arithmetic number, because the mean of its divisors is an integer number (28394949277).

Almost surely, 2^56789898553 is an apocalyptic number.

It is an amenable number.

56789898553 is a deficient number, since it is larger than the sum of its proper divisors (1).

56789898553 is an equidigital number, since it uses as much as digits as its factorization.

56789898553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184000, while the sum is 73.

The spelling of 56789898553 in words is "fifty-six billion, seven hundred eighty-nine million, eight hundred ninety-eight thousand, five hundred fifty-three".