53236893564 has 18 divisors (see below), whose sum is σ = 134571036600. Its totient is φ = 17745631176.

The previous prime is 53236893553. The next prime is 53236893571. The reversal of 53236893564 is 46539863235.

53236893564 is a `hidden beast` number, since 53 + 23 + 6 + 8 + 9 + 3 + 564 = 666.

53236893564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 53236893564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 739401264 + ... + 739401335.

It is an arithmetic number, because the mean of its divisors is an integer number (7476168700).

Almost surely, 2^53236893564 is an apocalyptic number.

It is an amenable number.

53236893564 is an abundant number, since it is smaller than the sum of its proper divisors (81334143036).

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

53236893564 is a wasteful number, since it uses less digits than its factorization.

53236893564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478802609 (or 1478802604 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 54.

The spelling of 53236893564 in words is "fifty-three billion, two hundred thirty-six million, eight hundred ninety-three thousand, five hundred sixty-four".