53021762641 has 2 divisors, whose sum is σ = 53021762642. Its totient is φ = 53021762640.

The previous prime is 53021762567. The next prime is 53021762657. The reversal of 53021762641 is 14626712035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51663471616 + 1358291025 = 227296^2 + 36855^2 .

It is a cyclic number.

It is not a de Polignac number, because 53021762641 - 2²⁹ = 52484891729 is a prime.

It is a super-2 number, since 2×53021762641² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53021762641.

It is not a weakly prime, because it can be changed into another prime (53021760641) 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, 26510881320 + 26510881321.

It is an arithmetic number, because the mean of its divisors is an integer number (26510881321).

Almost surely, 2^53021762641 is an apocalyptic number.

It is an amenable number.

53021762641 is a deficient number, since it is larger than the sum of its proper divisors (1).

53021762641 is an equidigital number, since it uses as much as digits as its factorization.

53021762641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 53021762641 in words is "fifty-three billion, twenty-one million, seven hundred sixty-two thousand, six hundred forty-one".