56844420 has 24 divisors (see below), whose sum is σ = 159164544. Its totient is φ = 15158496.

The previous prime is 56844401. The next prime is 56844433. The reversal of 56844420 is 2444865.

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, 473644 + ... + 473763.

It is an arithmetic number, because the mean of its divisors is an integer number (6631856).

Almost surely, 2^56844420 is an apocalyptic number.

It is an amenable number.

56844420 is an abundant number, since it is smaller than the sum of its proper divisors (102320124).

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

56844420 is a wasteful number, since it uses less digits than its factorization.

56844420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947419 (or 947417 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 56844420 is about 7539.5238576451. The cubic root of 56844420 is about 384.4996479868.

Adding to 56844420 its sum of digits (33), we get a triangular number (56844453 = T₁₀₆₆₂).

The spelling of 56844420 in words is "fifty-six million, eight hundred forty-four thousand, four hundred twenty".