56466009 has 24 divisors (see below), whose sum is σ = 84907680. Its totient is φ = 36130752.

The previous prime is 56466001. The next prime is 56466019. The reversal of 56466009 is 90066465.

It is a happy number.

56466009 is a `hidden beast` number, since 5 + 6 + 46 + 600 + 9 = 666.

It is not a de Polignac number, because 56466009 - 2³ = 56466001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56466001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21597 + ... + 24069.

It is an arithmetic number, because the mean of its divisors is an integer number (3537820).

Almost surely, 2^56466009 is an apocalyptic number.

56466009 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

56466009 is a deficient number, since it is larger than the sum of its proper divisors (28441671).

56466009 is a wasteful number, since it uses less digits than its factorization.

56466009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581 (or 2578 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 56466009 is about 7514.3868013298. The cubic root of 56466009 is about 383.6445481914.

The spelling of 56466009 in words is "fifty-six million, four hundred sixty-six thousand, nine".