56306130 has 64 divisors (see below), whose sum is σ = 138948480. Its totient is φ = 14598144.

The previous prime is 56306123. The next prime is 56306143. The reversal of 56306130 is 3160365.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56306130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218962 + ... + 219218.

It is an arithmetic number, because the mean of its divisors is an integer number (2171070).

Almost surely, 2^56306130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56306130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69474240).

56306130 is an abundant number, since it is smaller than the sum of its proper divisors (82642350).

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

56306130 is a wasteful number, since it uses less digits than its factorization.

56306130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 56306130 is about 7503.7410669612. The cubic root of 56306130 is about 383.2821196021.

Adding to 56306130 its reverse (3160365), we get a palindrome (59466495).

The spelling of 56306130 in words is "fifty-six million, three hundred six thousand, one hundred thirty".