56450540 has 24 divisors (see below), whose sum is σ = 125520192. Its totient is φ = 21251840.

The previous prime is 56450507. The next prime is 56450593. The reversal of 56450540 is 4505465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82676 + ... + 83355.

It is an arithmetic number, because the mean of its divisors is an integer number (5230008).

Almost surely, 2^56450540 is an apocalyptic number.

It is an amenable number.

56450540 is an abundant number, since it is smaller than the sum of its proper divisors (69069652).

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

56450540 is a wasteful number, since it uses less digits than its factorization.

56450540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166057 (or 166055 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 56450540 is about 7513.3574385890. The cubic root of 56450540 is about 383.6095115405.

The spelling of 56450540 in words is "fifty-six million, four hundred fifty thousand, five hundred forty".