52971012 has 72 divisors (see below), whose sum is σ = 144304160. Its totient is φ = 16329600.

The previous prime is 52971007. The next prime is 52971019. The reversal of 52971012 is 21017925.

It is a super-2 number, since 2×52971012² = 5611856224608288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52971019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28512 + ... + 30312.

Almost surely, 2^52971012 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 52971012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72152080).

52971012 is an abundant number, since it is smaller than the sum of its proper divisors (91333148).

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

52971012 is a wasteful number, since it uses less digits than its factorization.

52971012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873 (or 1868 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 52971012 is about 7278.1187129642. The cubic root of 52971012 is about 375.5600804100.

Adding to 52971012 its reverse (21017925), we get a palindrome (73988937).

The spelling of 52971012 in words is "fifty-two million, nine hundred seventy-one thousand, twelve".