52646617632 has 144 divisors (see below), whose sum is σ = 166304093760. Its totient is φ = 14523167232.

The previous prime is 52646617619. The next prime is 52646617663. The reversal of 52646617632 is 23671664625.

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 23 ways as a sum of consecutive naturals, for example, 56548 + ... + 329379.

It is an arithmetic number, because the mean of its divisors is an integer number (1154889540).

Almost surely, 2^52646617632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52646617632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83152046880).

52646617632 is an abundant number, since it is smaller than the sum of its proper divisors (113657476128).

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

52646617632 is a wasteful number, since it uses less digits than its factorization.

52646617632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385983 (or 385968 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 48.

The spelling of 52646617632 in words is "fifty-two billion, six hundred forty-six million, six hundred seventeen thousand, six hundred thirty-two".