52864401856 has 42 divisors (see below), whose sum is σ = 122029792008. Its totient is φ = 22656170880.

The previous prime is 52864401839. The next prime is 52864401857. The reversal of 52864401856 is 65810446825.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52864401857) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 8425500 + ... + 8431771.

Almost surely, 2^52864401856 is an apocalyptic number.

52864401856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

52864401856 is an abundant number, since it is smaller than the sum of its proper divisors (69165390152).

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

52864401856 is a wasteful number, since it uses less digits than its factorization.

52864401856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16857297 (or 16857280 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 49.

The spelling of 52864401856 in words is "fifty-two billion, eight hundred sixty-four million, four hundred one thousand, eight hundred fifty-six".