53054547517 has 4 divisors (see below), whose sum is σ = 53138628256. Its totient is φ = 52970466780.

The previous prime is 53054547509. The next prime is 53054547523. The reversal of 53054547517 is 71574545035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53054547517 - 2³ = 53054547509 is a prime.

It is a super-2 number, since 2×53054547517² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53054547577) 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 in 3 ways as a sum of consecutive naturals, for example, 42039423 + ... + 42040684.

It is an arithmetic number, because the mean of its divisors is an integer number (13284657064).

Almost surely, 2^53054547517 is an apocalyptic number.

It is an amenable number.

53054547517 is a deficient number, since it is larger than the sum of its proper divisors (84080739).

53054547517 is an equidigital number, since it uses as much as digits as its factorization.

53054547517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84080738.

The product of its (nonzero) digits is 1470000, while the sum is 46.

The spelling of 53054547517 in words is "fifty-three billion, fifty-four million, five hundred forty-seven thousand, five hundred seventeen".