53517720462463 has 4 divisors (see below), whose sum is σ = 53661199606168. Its totient is φ = 53374241318760.

The previous prime is 53517720462461. The next prime is 53517720462491. The reversal of 53517720462463 is 36426402771535.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53517720462463 - 2¹ = 53517720462461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53517720462461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71739571293 + ... + 71739572038.

It is an arithmetic number, because the mean of its divisors is an integer number (13415299901542).

Almost surely, 2^{53517720462463} is an apocalyptic number.

53517720462463 is a deficient number, since it is larger than the sum of its proper divisors (143479143705).

53517720462463 is a wasteful number, since it uses less digits than its factorization.

53517720462463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143479143704.

The product of its (nonzero) digits is 25401600, while the sum is 55.

The spelling of 53517720462463 in words is "fifty-three trillion, five hundred seventeen billion, seven hundred twenty million, four hundred sixty-two thousand, four hundred sixty-three".