56385641 has 8 divisors (see below), whose sum is σ = 60783240. Its totient is φ = 51996672.

The previous prime is 56385631. The next prime is 56385649. The reversal of 56385641 is 14658365.

It can be written as a sum of positive squares in 4 ways, for example, as 75625 + 56310016 = 275^2 + 7504^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56385641 - 2⁶ = 56385577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56385595 and 56385604.

It is not an unprimeable number, because it can be changed into a prime (56385649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19625 + ... + 22313.

It is an arithmetic number, because the mean of its divisors is an integer number (7597905).

Almost surely, 2^56385641 is an apocalyptic number.

It is an amenable number.

56385641 is a deficient number, since it is larger than the sum of its proper divisors (4397599).

56385641 is a wasteful number, since it uses less digits than its factorization.

56385641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315.

The product of its digits is 86400, while the sum is 38.

The square root of 56385641 is about 7509.0372884944. The cubic root of 56385641 is about 383.4624481679.

The spelling of 56385641 in words is "fifty-six million, three hundred eighty-five thousand, six hundred forty-one".