53529767617 has 2 divisors, whose sum is σ = 53529767618. Its totient is φ = 53529767616.

The previous prime is 53529767611. The next prime is 53529767639. The reversal of 53529767617 is 71676792535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52698252721 + 831514896 = 229561^2 + 28836^2 .

It is a cyclic number.

It is not a de Polignac number, because 53529767617 - 2³¹ = 51382283969 is a prime.

It is a super-2 number, since 2×53529767617² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53529767611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26764883808 + 26764883809.

It is an arithmetic number, because the mean of its divisors is an integer number (26764883809).

Almost surely, 2^53529767617 is an apocalyptic number.

It is an amenable number.

53529767617 is a deficient number, since it is larger than the sum of its proper divisors (1).

53529767617 is an equidigital number, since it uses as much as digits as its factorization.

53529767617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16669800, while the sum is 58.

The spelling of 53529767617 in words is "fifty-three billion, five hundred twenty-nine million, seven hundred sixty-seven thousand, six hundred seventeen".