53595218477 has 2 divisors, whose sum is σ = 53595218478. Its totient is φ = 53595218476.

The previous prime is 53595218437. The next prime is 53595218519. The reversal of 53595218477 is 77481259535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53388261481 + 206956996 = 231059^2 + 14386^2 .

It is a cyclic number.

It is not a de Polignac number, because 53595218477 - 2¹² = 53595214381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53595218407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26797609238 + 26797609239.

It is an arithmetic number, because the mean of its divisors is an integer number (26797609239).

Almost surely, 2^53595218477 is an apocalyptic number.

It is an amenable number.

53595218477 is a deficient number, since it is larger than the sum of its proper divisors (1).

53595218477 is an equidigital number, since it uses as much as digits as its factorization.

53595218477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584000, while the sum is 56.

The spelling of 53595218477 in words is "fifty-three billion, five hundred ninety-five million, two hundred eighteen thousand, four hundred seventy-seven".