56544460 has 24 divisors (see below), whose sum is σ = 135707040. Its totient is φ = 19386624.

The previous prime is 56544407. The next prime is 56544463. The reversal of 56544460 is 6444565.

It is not an unprimeable number, because it can be changed into a prime (56544463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201805 + ... + 202084.

It is an arithmetic number, because the mean of its divisors is an integer number (5654460).

Almost surely, 2^56544460 is an apocalyptic number.

It is an amenable number.

56544460 is an abundant number, since it is smaller than the sum of its proper divisors (79162580).

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

56544460 is a wasteful number, since it uses less digits than its factorization.

56544460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403905 (or 403903 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 56544460 is about 7519.6050428197. The cubic root of 56544460 is about 383.8221380440.

It can be divided in two parts, 565444 and 60, that added together give a square (565504 = 752²).

The spelling of 56544460 in words is "fifty-six million, five hundred forty-four thousand, four hundred sixty".