52044617856 has 512 divisors, whose sum is σ = 181839790080. Its totient is φ = 12787568640.

The previous prime is 52044617831. The next prime is 52044617881. The reversal of 52044617856 is 65871644025.

It is an interprime number because it is at equal distance from previous prime (52044617831) and next prime (52044617881).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70046221 + ... + 70046963.

It is an arithmetic number, because the mean of its divisors is an integer number (355155840).

Almost surely, 2^52044617856 is an apocalyptic number.

52044617856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52044617856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90919895040).

52044617856 is an abundant number, since it is smaller than the sum of its proper divisors (129795172224).

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

52044617856 is a wasteful number, since it uses less digits than its factorization.

52044617856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 892 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 52044617856 in words is "fifty-two billion, forty-four million, six hundred seventeen thousand, eight hundred fifty-six".