56363905 has 16 divisors (see below), whose sum is σ = 73002384. Its totient is φ = 41529600.

The previous prime is 56363843. The next prime is 56363917. The reversal of 56363905 is 50936365.

It can be written as a sum of positive squares in 8 ways, for example, as 278784 + 56085121 = 528^2 + 7489^2 .

It is not a de Polignac number, because 56363905 - 2¹¹ = 56361857 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 44947 + ... + 46183.

It is an arithmetic number, because the mean of its divisors is an integer number (4562649).

Almost surely, 2^56363905 is an apocalyptic number.

It is an amenable number.

56363905 is a deficient number, since it is larger than the sum of its proper divisors (16638479).

56363905 is a wasteful number, since it uses less digits than its factorization.

56363905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956.

The product of its (nonzero) digits is 72900, while the sum is 37.

The square root of 56363905 is about 7507.5898263024. The cubic root of 56363905 is about 383.4131684171.

The spelling of 56363905 in words is "fifty-six million, three hundred sixty-three thousand, nine hundred five".