53663131523 has 8 divisors (see below), whose sum is σ = 53858042160. Its totient is φ = 53468432640.

The previous prime is 53663131507. The next prime is 53663131537. The reversal of 53663131523 is 32513136635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53663131523 - 2⁴ = 53663131507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53663137523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463943 + ... + 567951.

It is an arithmetic number, because the mean of its divisors is an integer number (6732255270).

Almost surely, 2^53663131523 is an apocalyptic number.

53663131523 is a deficient number, since it is larger than the sum of its proper divisors (194910637).

53663131523 is a wasteful number, since it uses less digits than its factorization.

53663131523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105877.

The product of its digits is 145800, while the sum is 38.

The spelling of 53663131523 in words is "fifty-three billion, six hundred sixty-three million, one hundred thirty-one thousand, five hundred twenty-three".