53866681530 has 16 divisors (see below), whose sum is σ = 129280035744. Its totient is φ = 14364448400.

The previous prime is 53866681499. The next prime is 53866681549. The reversal of 53866681530 is 3518666835.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 897777996 + ... + 897778055.

It is an arithmetic number, because the mean of its divisors is an integer number (8080002234).

Almost surely, 2^53866681530 is an apocalyptic number.

53866681530 is an abundant number, since it is smaller than the sum of its proper divisors (75413354214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53866681530 is a wasteful number, since it uses less digits than its factorization.

53866681530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795556061.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 53866681530 in words is "fifty-three billion, eight hundred sixty-six million, six hundred eighty-one thousand, five hundred thirty".