53503740340517 has 32 divisors (see below), whose sum is σ = 54153778618368. Its totient is φ = 52859167232256.

The previous prime is 53503740340513. The next prime is 53503740340651. The reversal of 53503740340517 is 71504304730535.

It is a cyclic number.

It is not a de Polignac number, because 53503740340517 - 2² = 53503740340513 is a prime.

It is a super-2 number, since 2×53503740340517² (a number of 28 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 (53503740340511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32173024028 + ... + 32173025690.

It is an arithmetic number, because the mean of its divisors is an integer number (1692305581824).

Almost surely, 2^{53503740340517} is an apocalyptic number.

It is an amenable number.

53503740340517 is a deficient number, since it is larger than the sum of its proper divisors (650038277851).

53503740340517 is a wasteful number, since it uses less digits than its factorization.

53503740340517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749.

The product of its (nonzero) digits is 2646000, while the sum is 47.

The spelling of 53503740340517 in words is "fifty-three trillion, five hundred three billion, seven hundred forty million, three hundred forty thousand, five hundred seventeen".