53031312457 has 2 divisors, whose sum is σ = 53031312458. Its totient is φ = 53031312456.

The previous prime is 53031312443. The next prime is 53031312461. The reversal of 53031312457 is 75421313035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52920241936 + 111070521 = 230044^2 + 10539^2 .

It is a cyclic number.

It is not a de Polignac number, because 53031312457 - 2⁷ = 53031312329 is a prime.

It is not a weakly prime, because it can be changed into another prime (53031312157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26515656228 + 26515656229.

It is an arithmetic number, because the mean of its divisors is an integer number (26515656229).

Almost surely, 2^53031312457 is an apocalyptic number.

It is an amenable number.

53031312457 is a deficient number, since it is larger than the sum of its proper divisors (1).

53031312457 is an equidigital number, since it uses as much as digits as its factorization.

53031312457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 34.

The spelling of 53031312457 in words is "fifty-three billion, thirty-one million, three hundred twelve thousand, four hundred fifty-seven".