53513528977 has 2 divisors, whose sum is σ = 53513528978. Its totient is φ = 53513528976.

The previous prime is 53513528969. The next prime is 53513529011. The reversal of 53513528977 is 77982531535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53470087696 + 43441281 = 231236^2 + 6591^2 .

It is a cyclic number.

It is not a de Polignac number, because 53513528977 - 2³ = 53513528969 is a prime.

It is not a weakly prime, because it can be changed into another prime (53513538977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26756764488 + 26756764489.

It is an arithmetic number, because the mean of its divisors is an integer number (26756764489).

Almost surely, 2^53513528977 is an apocalyptic number.

It is an amenable number.

53513528977 is a deficient number, since it is larger than the sum of its proper divisors (1).

53513528977 is an equidigital number, since it uses as much as digits as its factorization.

53513528977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938000, while the sum is 55.

The spelling of 53513528977 in words is "fifty-three billion, five hundred thirteen million, five hundred twenty-eight thousand, nine hundred seventy-seven".