53185317286 has 16 divisors (see below), whose sum is σ = 80050212000. Its totient is φ = 26502018048.

The previous prime is 53185317281. The next prime is 53185317287. The reversal of 53185317286 is 68271358135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53185317281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025815 + ... + 1076413.

It is an arithmetic number, because the mean of its divisors is an integer number (5003138250).

Almost surely, 2^53185317286 is an apocalyptic number.

53185317286 is a deficient number, since it is larger than the sum of its proper divisors (26864894714).

53185317286 is a wasteful number, since it uses less digits than its factorization.

53185317286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52383.

The product of its digits is 1209600, while the sum is 49.

The spelling of 53185317286 in words is "fifty-three billion, one hundred eighty-five million, three hundred seventeen thousand, two hundred eighty-six".