56405306 has 32 divisors (see below), whose sum is σ = 90091008. Its totient is φ = 26449920.

The previous prime is 56405287. The next prime is 56405317. The reversal of 56405306 is 60350465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499106 + ... + 499218.

It is an arithmetic number, because the mean of its divisors is an integer number (2815344).

Almost surely, 2^56405306 is an apocalyptic number.

56405306 is a deficient number, since it is larger than the sum of its proper divisors (33685702).

56405306 is a wasteful number, since it uses less digits than its factorization.

56405306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 56405306 is about 7510.3465965294. The cubic root of 56405306 is about 383.5070216470.

The spelling of 56405306 in words is "fifty-six million, four hundred five thousand, three hundred six".