56262809 has 6 divisors (see below), whose sum is σ = 59767374. Its totient is φ = 52952960.

The previous prime is 56262803. The next prime is 56262821. The reversal of 56262809 is 90826265.

It can be written as a sum of positive squares in 3 ways, for example, as 8265625 + 47997184 = 2875^2 + 6928^2 .

It is not a de Polignac number, because 56262809 - 2⁴ = 56262793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56262803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97052 + ... + 97629.

It is an arithmetic number, because the mean of its divisors is an integer number (9961229).

Almost surely, 2^56262809 is an apocalyptic number.

It is an amenable number.

56262809 is a deficient number, since it is larger than the sum of its proper divisors (3504565).

56262809 is a wasteful number, since it uses less digits than its factorization.

56262809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194715 (or 194698 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 56262809 is about 7500.8538847254. The cubic root of 56262809 is about 383.1837974192.

The spelling of 56262809 in words is "fifty-six million, two hundred sixty-two thousand, eight hundred nine".