56386140 has 24 divisors (see below), whose sum is σ = 157881360. Its totient is φ = 15036288.

The previous prime is 56386103. The next prime is 56386147. The reversal of 56386140 is 4168365.

56386140 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 (56386147) 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, 469825 + ... + 469944.

It is an arithmetic number, because the mean of its divisors is an integer number (6578390).

Almost surely, 2^56386140 is an apocalyptic number.

It is an amenable number.

56386140 is an abundant number, since it is smaller than the sum of its proper divisors (101495220).

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

56386140 is a wasteful number, since it uses less digits than its factorization.

56386140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939781 (or 939779 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 56386140 is about 7509.0705150504. The cubic root of 56386140 is about 383.4635793495.

The spelling of 56386140 in words is "fifty-six million, three hundred eighty-six thousand, one hundred forty".