56648305 has 16 divisors (see below), whose sum is σ = 77952384. Its totient is φ = 38712960.

The previous prime is 56648279. The next prime is 56648311. The reversal of 56648305 is 50384665.

It is not a de Polignac number, because 56648305 - 2⁹ = 56647793 is a prime.

It is a Duffinian number.

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, 8370 + ... + 13540.

It is an arithmetic number, because the mean of its divisors is an integer number (4872024).

Almost surely, 2^56648305 is an apocalyptic number.

It is an amenable number.

56648305 is a deficient number, since it is larger than the sum of its proper divisors (21304079).

56648305 is a wasteful number, since it uses less digits than its factorization.

56648305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5496.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 56648305 is about 7526.5068258788. The cubic root of 56648305 is about 384.0569599569.

It can be divided in two parts, 56648 and 305, that added together give a triangular number (56953 = T₃₃₇).

The spelling of 56648305 in words is "fifty-six million, six hundred forty-eight thousand, three hundred five".