56556211 has 8 divisors (see below), whose sum is σ = 57612384. Its totient is φ = 55504320.

The previous prime is 56556209. The next prime is 56556233. The reversal of 56556211 is 11265565.

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

It is a cyclic number.

It is not a de Polignac number, because 56556211 - 2¹ = 56556209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56556271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38751 + ... + 40183.

It is an arithmetic number, because the mean of its divisors is an integer number (7201548).

Almost surely, 2^56556211 is an apocalyptic number.

56556211 is a deficient number, since it is larger than the sum of its proper divisors (1056173).

56556211 is a wasteful number, since it uses less digits than its factorization.

56556211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141.

The product of its digits is 9000, while the sum is 31.

The square root of 56556211 is about 7520.3863597557. The cubic root of 56556211 is about 383.8487246836.

The spelling of 56556211 in words is "fifty-six million, five hundred fifty-six thousand, two hundred eleven".