56863549 has 4 divisors (see below), whose sum is σ = 57548736. Its totient is φ = 56178364.

The previous prime is 56863537. The next prime is 56863571. The reversal of 56863549 is 94536865.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56863549 - 2²³ = 48474941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56863499 and 56863508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56863349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342469 + ... + 342634.

It is an arithmetic number, because the mean of its divisors is an integer number (14387184).

Almost surely, 2^56863549 is an apocalyptic number.

It is an amenable number.

56863549 is a deficient number, since it is larger than the sum of its proper divisors (685187).

56863549 is an equidigital number, since it uses as much as digits as its factorization.

56863549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685186.

The product of its digits is 777600, while the sum is 46.

The square root of 56863549 is about 7540.7923323746. The cubic root of 56863549 is about 384.5427731161.

The spelling of 56863549 in words is "fifty-six million, eight hundred sixty-three thousand, five hundred forty-nine".