53040153557 has 2 divisors, whose sum is σ = 53040153558. Its totient is φ = 53040153556.

The previous prime is 53040153533. The next prime is 53040153583. The reversal of 53040153557 is 75535104035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51404679076 + 1635474481 = 226726^2 + 40441^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53040153557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53040153557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53040155557) 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, 26520076778 + 26520076779.

It is an arithmetic number, because the mean of its divisors is an integer number (26520076779).

Almost surely, 2^53040153557 is an apocalyptic number.

It is an amenable number.

53040153557 is a deficient number, since it is larger than the sum of its proper divisors (1).

53040153557 is an equidigital number, since it uses as much as digits as its factorization.

53040153557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157500, while the sum is 38.

The spelling of 53040153557 in words is "fifty-three billion, forty million, one hundred fifty-three thousand, five hundred fifty-seven".