56391466 has 16 divisors (see below), whose sum is σ = 86425920. Its totient is φ = 27588960.

The previous prime is 56391437. The next prime is 56391481. The reversal of 56391466 is 66419365.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18310 + ... + 21166.

It is an arithmetic number, because the mean of its divisors is an integer number (5401620).

Almost surely, 2^56391466 is an apocalyptic number.

56391466 is a deficient number, since it is larger than the sum of its proper divisors (30034454).

56391466 is a wasteful number, since it uses less digits than its factorization.

56391466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069.

The product of its digits is 116640, while the sum is 40.

The square root of 56391466 is about 7509.4251444435. The cubic root of 56391466 is about 383.4756524271.

It can be divided in two parts, 563 and 91466, that added together give a palindrome (92029).

The spelling of 56391466 in words is "fifty-six million, three hundred ninety-one thousand, four hundred sixty-six".