52611330 has 32 divisors (see below), whose sum is σ = 128957184. Its totient is φ = 13730816.

The previous prime is 52611329. The next prime is 52611337. The reversal of 52611330 is 3311625.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52611297 and 52611306.

It is not an unprimeable number, because it can be changed into a prime (52611337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17247 + ... + 20066.

It is an arithmetic number, because the mean of its divisors is an integer number (4029912).

Almost surely, 2^52611330 is an apocalyptic number.

52611330 is an abundant number, since it is smaller than the sum of its proper divisors (76345854).

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

52611330 is a wasteful number, since it uses less digits than its factorization.

52611330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37370.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 52611330 is about 7253.3668044571. The cubic root of 52611330 is about 374.7081106383.

Adding to 52611330 its reverse (3311625), we get a palindrome (55922955).

The spelling of 52611330 in words is "fifty-two million, six hundred eleven thousand, three hundred thirty".