52977843618 has 24 divisors (see below), whose sum is σ = 123254575632. Its totient is φ = 15136526664.

The previous prime is 52977843613. The next prime is 52977843641. The reversal of 52977843618 is 81634877925.

It is not an unprimeable number, because it can be changed into a prime (52977843613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90098080 + ... + 90098667.

It is an arithmetic number, because the mean of its divisors is an integer number (5135607318).

Almost surely, 2^52977843618 is an apocalyptic number.

52977843618 is an abundant number, since it is smaller than the sum of its proper divisors (70276732014).

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

52977843618 is a wasteful number, since it uses less digits than its factorization.

52977843618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180196766 (or 180196759 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 60.

The spelling of 52977843618 in words is "fifty-two billion, nine hundred seventy-seven million, eight hundred forty-three thousand, six hundred eighteen".