52165215210 has 64 divisors (see below), whose sum is σ = 127985909760. Its totient is φ = 13603264320.

The previous prime is 52165215149. The next prime is 52165215253. The reversal of 52165215210 is 1251256125.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260919 + ... + 415221.

It is an arithmetic number, because the mean of its divisors is an integer number (1999779840).

Almost surely, 2^52165215210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52165215210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63992954880).

52165215210 is an abundant number, since it is smaller than the sum of its proper divisors (75820694550).

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

52165215210 is a wasteful number, since it uses less digits than its factorization.

52165215210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154563.

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 52165215210 in words is "fifty-two billion, one hundred sixty-five million, two hundred fifteen thousand, two hundred ten".