56221193 has 12 divisors (see below), whose sum is σ = 68257152. Its totient is φ = 45353280.

The previous prime is 56221189. The next prime is 56221201. The reversal of 56221193 is 39112265.

It is not a de Polignac number, because 56221193 - 2² = 56221189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56221163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11873 + ... + 15918.

It is an arithmetic number, because the mean of its divisors is an integer number (5688096).

Almost surely, 2^56221193 is an apocalyptic number.

It is an amenable number.

56221193 is a deficient number, since it is larger than the sum of its proper divisors (12035959).

56221193 is a wasteful number, since it uses less digits than its factorization.

56221193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27832 (or 27815 counting only the distinct ones).

The product of its digits is 3240, while the sum is 29.

The square root of 56221193 is about 7498.0792873909. The cubic root of 56221193 is about 383.0892973959.

The spelling of 56221193 in words is "fifty-six million, two hundred twenty-one thousand, one hundred ninety-three".