53313973061 has 2 divisors, whose sum is σ = 53313973062. Its totient is φ = 53313973060.

The previous prime is 53313972989. The next prime is 53313973079. The reversal of 53313973061 is 16037931335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41909868961 + 11404104100 = 204719^2 + 106790^2 .

It is a cyclic number.

It is not a de Polignac number, because 53313973061 - 2¹⁸ = 53313710917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53313973081) 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, 26656986530 + 26656986531.

It is an arithmetic number, because the mean of its divisors is an integer number (26656986531).

Almost surely, 2^53313973061 is an apocalyptic number.

It is an amenable number.

53313973061 is a deficient number, since it is larger than the sum of its proper divisors (1).

53313973061 is an equidigital number, since it uses as much as digits as its factorization.

53313973061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153090, while the sum is 41.

The spelling of 53313973061 in words is "fifty-three billion, three hundred thirteen million, nine hundred seventy-three thousand, sixty-one".