53869446577 has 2 divisors, whose sum is σ = 53869446578. Its totient is φ = 53869446576.

The previous prime is 53869446493. The next prime is 53869446583. The reversal of 53869446577 is 77564496835.

53869446577 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., 53516344896 + 353101681 = 231336^2 + 18791^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53869446577 is a prime.

It is not a weakly prime, because it can be changed into another prime (53869486577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26934723288 + 26934723289.

It is an arithmetic number, because the mean of its divisors is an integer number (26934723289).

Almost surely, 2^53869446577 is an apocalyptic number.

It is an amenable number.

53869446577 is a deficient number, since it is larger than the sum of its proper divisors (1).

53869446577 is an equidigital number, since it uses as much as digits as its factorization.

53869446577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 152409600, while the sum is 64.

The spelling of 53869446577 in words is "fifty-three billion, eight hundred sixty-nine million, four hundred forty-six thousand, five hundred seventy-seven".