52071712 has 72 divisors (see below), whose sum is σ = 130137840. Its totient is φ = 20280960.

The previous prime is 52071659. The next prime is 52071713. The reversal of 52071712 is 21717025.

It is a happy number.

It is a super-2 number, since 2×52071712² = 5422926381221888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52071713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15739 + ... + 18757.

It is an arithmetic number, because the mean of its divisors is an integer number (1807470).

Almost surely, 2^52071712 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 52071712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65068920).

52071712 is an abundant number, since it is smaller than the sum of its proper divisors (78066128).

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

52071712 is a wasteful number, since it uses less digits than its factorization.

52071712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054 (or 3039 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 52071712 is about 7216.0731703607. The cubic root of 52071712 is about 373.4226175345.

Adding to 52071712 its reverse (21717025), we get a palindrome (73788737).

The spelling of 52071712 in words is "fifty-two million, seventy-one thousand, seven hundred twelve".