53521764152057 has 2 divisors, whose sum is σ = 53521764152058. Its totient is φ = 53521764152056.

The previous prime is 53521764152033. The next prime is 53521764152083. The reversal of 53521764152057 is 75025146712535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53340659433961 + 181104718096 = 7303469^2 + 425564^2 .

It is a cyclic number.

It is not a de Polignac number, because 53521764152057 - 2¹² = 53521764147961 is a prime.

It is not a weakly prime, because it can be changed into another prime (53521764152257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26760882076028 + 26760882076029.

It is an arithmetic number, because the mean of its divisors is an integer number (26760882076029).

Almost surely, 2^{53521764152057} is an apocalyptic number.

It is an amenable number.

53521764152057 is a deficient number, since it is larger than the sum of its proper divisors (1).

53521764152057 is an equidigital number, since it uses as much as digits as its factorization.

53521764152057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820000, while the sum is 53.

The spelling of 53521764152057 in words is "fifty-three trillion, five hundred twenty-one billion, seven hundred sixty-four million, one hundred fifty-two thousand, fifty-seven".