56395505 has 4 divisors (see below), whose sum is σ = 67674612. Its totient is φ = 45116400.

The previous prime is 56395501. The next prime is 56395529. The reversal of 56395505 is 50559365.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13256881 + 43138624 = 3641^2 + 6568^2 .

It is not a de Polignac number, because 56395505 - 2² = 56395501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56395501) 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, 5639546 + ... + 5639555.

It is an arithmetic number, because the mean of its divisors is an integer number (16918653).

Almost surely, 2^56395505 is an apocalyptic number.

It is an amenable number.

56395505 is a deficient number, since it is larger than the sum of its proper divisors (11279107).

56395505 is a wasteful number, since it uses less digits than its factorization.

56395505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11279106.

The product of its (nonzero) digits is 101250, while the sum is 38.

The square root of 56395505 is about 7509.6940683359. The cubic root of 56395505 is about 383.4848076018.

The spelling of 56395505 in words is "fifty-six million, three hundred ninety-five thousand, five hundred five".