56212171 has 8 divisors (see below), whose sum is σ = 58215024. Its totient is φ = 54244320.

The previous prime is 56212153. The next prime is 56212181. The reversal of 56212171 is 17121265.

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 56212171 - 2⁷ = 56212043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56212111) 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, 5461 + ... + 11926.

It is an arithmetic number, because the mean of its divisors is an integer number (7276878).

Almost surely, 2^56212171 is an apocalyptic number.

56212171 is a deficient number, since it is larger than the sum of its proper divisors (2002853).

56212171 is a wasteful number, since it uses less digits than its factorization.

56212171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17501.

The product of its digits is 840, while the sum is 25.

The square root of 56212171 is about 7497.4776425142. The cubic root of 56212171 is about 383.0688044326.

The spelling of 56212171 in words is "fifty-six million, two hundred twelve thousand, one hundred seventy-one".