56448020 has 24 divisors (see below), whose sum is σ = 119594664. Its totient is φ = 22378496.

The previous prime is 56448013. The next prime is 56448037. The reversal of 56448020 is 2084465.

It can be written as a sum of positive squares in 4 ways, for example, as 5924356 + 50523664 = 2434^2 + 7108^2 .

It is a congruent number.

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, 10229 + ... + 14748.

It is an arithmetic number, because the mean of its divisors is an integer number (4983111).

Almost surely, 2^56448020 is an apocalyptic number.

It is an amenable number.

56448020 is an abundant number, since it is smaller than the sum of its proper divisors (63146644).

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

56448020 is a wasteful number, since it uses less digits than its factorization.

56448020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25099 (or 25097 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 56448020 is about 7513.1897353920. The cubic root of 56448020 is about 383.6038032376.

It can be divided in two parts, 564480 and 20, that multiplied together give a square (11289600 = 3360²).

The spelling of 56448020 in words is "fifty-six million, four hundred forty-eight thousand, twenty".