56385385 has 16 divisors (see below), whose sum is σ = 77590656. Its totient is φ = 38533248.

The previous prime is 56385377. The next prime is 56385389. The reversal of 56385385 is 58358365.

It is a cyclic number.

It is not a de Polignac number, because 56385385 - 2³ = 56385377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56385389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8382 + ... + 13528.

It is an arithmetic number, because the mean of its divisors is an integer number (4849416).

Almost surely, 2^56385385 is an apocalyptic number.

It is an amenable number.

56385385 is a deficient number, since it is larger than the sum of its proper divisors (21205271).

56385385 is a wasteful number, since it uses less digits than its factorization.

56385385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5472.

The product of its digits is 432000, while the sum is 43.

The square root of 56385385 is about 7509.0202423485. The cubic root of 56385385 is about 383.4618678397.

The spelling of 56385385 in words is "fifty-six million, three hundred eighty-five thousand, three hundred eighty-five".