52617330 has 128 divisors (see below), whose sum is σ = 151027200. Its totient is φ = 13001472.

The previous prime is 52617317. The next prime is 52617343. The reversal of 52617330 is 3371625.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52617317) and next prime (52617343).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 52617294 and 52617303.

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 63 ways as a sum of consecutive naturals, for example, 229656 + ... + 229884.

It is an arithmetic number, because the mean of its divisors is an integer number (1179900).

Almost surely, 2^52617330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52617330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75513600).

52617330 is an abundant number, since it is smaller than the sum of its proper divisors (98409870).

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

52617330 is a wasteful number, since it uses less digits than its factorization.

52617330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 52617330 is about 7253.7803936982. The cubic root of 52617330 is about 374.7223544853.

Adding to 52617330 its reverse (3371625), we get a palindrome (55988955).

The spelling of 52617330 in words is "fifty-two million, six hundred seventeen thousand, three hundred thirty".