52664612 has 72 divisors (see below), whose sum is σ = 126020160. Its totient is φ = 18930240.

The previous prime is 52664611. The next prime is 52664627. The reversal of 52664612 is 21646625.

It is a super-2 number, since 2×52664612² = 5547122714221088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52664611) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 27089 + ... + 28967.

It is an arithmetic number, because the mean of its divisors is an integer number (1750280).

Almost surely, 2^52664612 is an apocalyptic number.

52664612 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52664612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63010080).

52664612 is an abundant number, since it is smaller than the sum of its proper divisors (73355548).

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

52664612 is a wasteful number, since it uses less digits than its factorization.

52664612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921 (or 1912 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 52664612 is about 7257.0387900300. The cubic root of 52664612 is about 374.8345628774.

The spelling of 52664612 in words is "fifty-two million, six hundred sixty-four thousand, six hundred twelve".