56530026 has 72 divisors (see below), whose sum is σ = 144050400. Its totient is φ = 15973776.

The previous prime is 56530013. The next prime is 56530027. The reversal of 56530026 is 62003565.

56530026 is a `hidden beast` number, since 5 + 653 + 0 + 0 + 2 + 6 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56530027) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 94075 + ... + 94673.

It is an arithmetic number, because the mean of its divisors is an integer number (2000700).

Almost surely, 2^56530026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56530026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72025200).

56530026 is an abundant number, since it is smaller than the sum of its proper divisors (87520374).

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

56530026 is a wasteful number, since it uses less digits than its factorization.

56530026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 56530026 is about 7518.6452237089. The cubic root of 56530026 is about 383.7894760749.

The spelling of 56530026 in words is "fifty-six million, five hundred thirty thousand, twenty-six".