56489406 has 8 divisors (see below), whose sum is σ = 112978824. Its totient is φ = 18829800.

The previous prime is 56489399. The next prime is 56489429. The reversal of 56489406 is 60498465.

It is a sphenic number, since it is the product of 3 distinct primes.

56489406 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4707445 + ... + 4707456.

It is an arithmetic number, because the mean of its divisors is an integer number (14122353).

Almost surely, 2^56489406 is an apocalyptic number.

56489406 is the 4754-th centered pentagonal number.

56489406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56489406 is a wasteful number, since it uses less digits than its factorization.

56489406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9414906.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 56489406 is about 7515.9434537522. The cubic root of 56489406 is about 383.6975292808.

The spelling of 56489406 in words is "fifty-six million, four hundred eighty-nine thousand, four hundred six".