56200420 has 12 divisors (see below), whose sum is σ = 118020924. Its totient is φ = 22480160.

The previous prime is 56200411. The next prime is 56200429. The reversal of 56200420 is 2400265.

56200420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56200411) and next prime (56200429).

It can be written as a sum of positive squares in 2 ways, for example, as 19501056 + 36699364 = 4416^2 + 6058^2 .

It is not an unprimeable number, because it can be changed into a prime (56200429) 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 3 ways as a sum of consecutive naturals, for example, 1404991 + ... + 1405030.

It is an arithmetic number, because the mean of its divisors is an integer number (9835077).

Almost surely, 2^56200420 is an apocalyptic number.

It is an amenable number.

56200420 is an abundant number, since it is smaller than the sum of its proper divisors (61820504).

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

56200420 is a wasteful number, since it uses less digits than its factorization.

56200420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810030 (or 2810028 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 56200420 is about 7496.6939379969. The cubic root of 56200420 is about 383.0421094118.

Adding to 56200420 its reverse (2400265), we get a palindrome (58600685).

The spelling of 56200420 in words is "fifty-six million, two hundred thousand, four hundred twenty".