52070216 has 32 divisors (see below), whose sum is σ = 107805600. Its totient is φ = 23379840.

The previous prime is 52070209. The next prime is 52070231. The reversal of 52070216 is 61207025.

It is a super-2 number, since 2×52070216² = 5422614788573312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52070191 and 52070200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3740 + ... + 10868.

It is an arithmetic number, because the mean of its divisors is an integer number (3368925).

Almost surely, 2^52070216 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 52070216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53902800).

52070216 is an abundant number, since it is smaller than the sum of its proper divisors (55735384).

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

52070216 is a wasteful number, since it uses less digits than its factorization.

52070216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7229 (or 7225 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 52070216 is about 7215.9695121307. The cubic root of 52070216 is about 373.4190414048.

The spelling of 52070216 in words is "fifty-two million, seventy thousand, two hundred sixteen".