53213686895 has 32 divisors (see below), whose sum is σ = 67041300480. Its totient is φ = 40498341120.

The previous prime is 53213686891. The next prime is 53213686901. The reversal of 53213686895 is 59868631235.

It is not a de Polignac number, because 53213686895 - 2² = 53213686891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53213686895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53213686891) 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 31 ways as a sum of consecutive naturals, for example, 3466046 + ... + 3481364.

It is an arithmetic number, because the mean of its divisors is an integer number (2095040640).

Almost surely, 2^53213686895 is an apocalyptic number.

53213686895 is a deficient number, since it is larger than the sum of its proper divisors (13827613585).

53213686895 is a wasteful number, since it uses less digits than its factorization.

53213686895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15735.

The product of its digits is 9331200, while the sum is 56.

The spelling of 53213686895 in words is "fifty-three billion, two hundred thirteen million, six hundred eighty-six thousand, eight hundred ninety-five".