53051215057 has 2 divisors, whose sum is σ = 53051215058. Its totient is φ = 53051215056.

The previous prime is 53051215033. The next prime is 53051215067. The reversal of 53051215057 is 75051215035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53045459856 + 5755201 = 230316^2 + 2399^2 .

It is a cyclic number.

It is not a de Polignac number, because 53051215057 - 2¹¹ = 53051213009 is a prime.

It is not a weakly prime, because it can be changed into another prime (53051215067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26525607528 + 26525607529.

It is an arithmetic number, because the mean of its divisors is an integer number (26525607529).

Almost surely, 2^53051215057 is an apocalyptic number.

It is an amenable number.

53051215057 is a deficient number, since it is larger than the sum of its proper divisors (1).

53051215057 is an equidigital number, since it uses as much as digits as its factorization.

53051215057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26250, while the sum is 34.

The spelling of 53051215057 in words is "fifty-three billion, fifty-one million, two hundred fifteen thousand, fifty-seven".