56502330 has 64 divisors (see below), whose sum is σ = 140849280. Its totient is φ = 14494464.

The previous prime is 56502317. The next prime is 56502331. The reversal of 56502330 is 3320565.

56502330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 56502330.

It is not an unprimeable number, because it can be changed into a prime (56502331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120757 + ... + 121223.

It is an arithmetic number, because the mean of its divisors is an integer number (2200770).

Almost surely, 2^56502330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56502330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70424640).

56502330 is an abundant number, since it is smaller than the sum of its proper divisors (84346950).

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

56502330 is a wasteful number, since it uses less digits than its factorization.

56502330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 56502330 is about 7516.8031768831. The cubic root of 56502330 is about 383.7267886239.

Adding to 56502330 its reverse (3320565), we get a palindrome (59822895).

The spelling of 56502330 in words is "fifty-six million, five hundred two thousand, three hundred thirty".