56277140 has 48 divisors (see below), whose sum is σ = 126427392. Its totient is φ = 20967936.

The previous prime is 56277127. The next prime is 56277161. The reversal of 56277140 is 4177265.

56277140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56277097 and 56277106.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 34217 + ... + 35823.

It is an arithmetic number, because the mean of its divisors is an integer number (2633904).

Almost surely, 2^56277140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56277140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63213696).

56277140 is an abundant number, since it is smaller than the sum of its proper divisors (70150252).

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

56277140 is a wasteful number, since it uses less digits than its factorization.

56277140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736 (or 1734 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 56277140 is about 7501.8091151402. The cubic root of 56277140 is about 383.2163289198.

The spelling of 56277140 in words is "fifty-six million, two hundred seventy-seven thousand, one hundred forty".