52326660 has 96 divisors (see below), whose sum is σ = 152409600. Its totient is φ = 13404160.

The previous prime is 52326653. The next prime is 52326691. The reversal of 52326660 is 6662325.

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

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 31 ways as a sum of consecutive naturals, for example, 218821 + ... + 219059.

It is an arithmetic number, because the mean of its divisors is an integer number (1587600).

Almost surely, 2^52326660 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 52326660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76204800).

52326660 is an abundant number, since it is smaller than the sum of its proper divisors (100082940).

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

52326660 is a wasteful number, since it uses less digits than its factorization.

52326660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 52326660 is about 7233.7168869123. The cubic root of 52326660 is about 374.0310630304.

Adding to 52326660 its reverse (6662325), we get a palindrome (58988985).

The spelling of 52326660 in words is "fifty-two million, three hundred twenty-six thousand, six hundred sixty".