56309420 has 24 divisors (see below), whose sum is σ = 118392624. Its totient is φ = 22496576.

The previous prime is 56309417. The next prime is 56309437. The reversal of 56309420 is 2490365.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27554 + ... + 29526.

It is an arithmetic number, because the mean of its divisors is an integer number (4933026).

Almost surely, 2^56309420 is an apocalyptic number.

It is an amenable number.

56309420 is an abundant number, since it is smaller than the sum of its proper divisors (62083204).

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

56309420 is a wasteful number, since it uses less digits than its factorization.

56309420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409 (or 3407 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 56309420 is about 7503.9602877414. The cubic root of 56309420 is about 383.2895845893.

Adding to 56309420 its reverse (2490365), we get a palindrome (58799785).

The spelling of 56309420 in words is "fifty-six million, three hundred nine thousand, four hundred twenty".