56304430 has 48 divisors (see below), whose sum is σ = 126977760. Its totient is φ = 17817408.

The previous prime is 56304421. The next prime is 56304431. The reversal of 56304430 is 3440365.

It is a junction number, because it is equal to n+sod(n) for n = 56304395 and 56304404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56304431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1951 + ... + 10789.

It is an arithmetic number, because the mean of its divisors is an integer number (2645370).

Almost surely, 2^56304430 is an apocalyptic number.

56304430 is an abundant number, since it is smaller than the sum of its proper divisors (70673330).

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

56304430 is a wasteful number, since it uses less digits than its factorization.

56304430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8873 (or 8866 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 56304430 is about 7503.6277892763. The cubic root of 56304430 is about 383.2782622000.

Adding to 56304430 its reverse (3440365), we get a palindrome (59744795).

The spelling of 56304430 in words is "fifty-six million, three hundred four thousand, four hundred thirty".