56543377 has 16 divisors (see below), whose sum is σ = 66301632. Its totient is φ = 47646720.

The previous prime is 56543353. The next prime is 56543429. The reversal of 56543377 is 77334565.

56543377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-56543377 is a prime.

It is a super-3 number, since 3×56543377³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (56543317) 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 15 ways as a sum of consecutive naturals, for example, 10273 + ... + 14785.

It is an arithmetic number, because the mean of its divisors is an integer number (4143852).

Almost surely, 2^56543377 is an apocalyptic number.

It is an amenable number.

56543377 is a deficient number, since it is larger than the sum of its proper divisors (9758255).

56543377 is a wasteful number, since it uses less digits than its factorization.

56543377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4608.

The product of its digits is 264600, while the sum is 40.

The square root of 56543377 is about 7519.5330307141. The cubic root of 56543377 is about 383.8196875709.

The spelling of 56543377 in words is "fifty-six million, five hundred forty-three thousand, three hundred seventy-seven".