53147064577 has 2 divisors, whose sum is σ = 53147064578. Its totient is φ = 53147064576.

The previous prime is 53147064569. The next prime is 53147064583. The reversal of 53147064577 is 77546074135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53143619841 + 3444736 = 230529^2 + 1856^2 .

It is a cyclic number.

It is not a de Polignac number, because 53147064577 - 2³ = 53147064569 is a prime.

It is a super-2 number, since 2×53147064577² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53147064577.

It is not a weakly prime, because it can be changed into another prime (53147064527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26573532288 + 26573532289.

It is an arithmetic number, because the mean of its divisors is an integer number (26573532289).

Almost surely, 2^53147064577 is an apocalyptic number.

It is an amenable number.

53147064577 is a deficient number, since it is larger than the sum of its proper divisors (1).

53147064577 is an equidigital number, since it uses as much as digits as its factorization.

53147064577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2469600, while the sum is 49.

The spelling of 53147064577 in words is "fifty-three billion, one hundred forty-seven million, sixty-four thousand, five hundred seventy-seven".