56603140 has 24 divisors (see below), whose sum is σ = 129673152. Its totient is φ = 20582880.

The previous prime is 56603119. The next prime is 56603143. The reversal of 56603140 is 4130665.

56603140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×56603140⁴ (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (56603143) 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 7 ways as a sum of consecutive naturals, for example, 128424 + ... + 128863.

It is an arithmetic number, because the mean of its divisors is an integer number (5403048).

Almost surely, 2^56603140 is an apocalyptic number.

It is an amenable number.

56603140 is an abundant number, since it is smaller than the sum of its proper divisors (73070012).

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

56603140 is a wasteful number, since it uses less digits than its factorization.

56603140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257307 (or 257305 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 56603140 is about 7523.5058317250. The cubic root of 56603140 is about 383.9548648484.

The spelling of 56603140 in words is "fifty-six million, six hundred three thousand, one hundred forty".