56495840 has 24 divisors (see below), whose sum is σ = 133471800. Its totient is φ = 22598272.

The previous prime is 56495839. The next prime is 56495849. The reversal of 56495840 is 4859465.

It is a happy number.

56495840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56495849) 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 3 ways as a sum of consecutive naturals, for example, 176390 + ... + 176709.

It is an arithmetic number, because the mean of its divisors is an integer number (5561325).

Almost surely, 2^56495840 is an apocalyptic number.

It is an amenable number.

56495840 is an abundant number, since it is smaller than the sum of its proper divisors (76975960).

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

56495840 is a wasteful number, since it uses less digits than its factorization.

56495840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353114 (or 353106 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 56495840 is about 7516.3714650089. The cubic root of 56495840 is about 383.7120961194.

The spelling of 56495840 in words is "fifty-six million, four hundred ninety-five thousand, eight hundred forty".