56221235 has 8 divisors (see below), whose sum is σ = 77103456. Its totient is φ = 38551680.

The previous prime is 56221213. The next prime is 56221273. The reversal of 56221235 is 53212265.

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

It is not a de Polignac number, because 56221235 - 2⁸ = 56220979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803126 + ... + 803195.

It is an arithmetic number, because the mean of its divisors is an integer number (9637932).

Almost surely, 2^56221235 is an apocalyptic number.

56221235 is a deficient number, since it is larger than the sum of its proper divisors (20882221).

56221235 is a wasteful number, since it uses less digits than its factorization.

56221235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606333.

The product of its digits is 3600, while the sum is 26.

The square root of 56221235 is about 7498.0820881076. The cubic root of 56221235 is about 383.0893927914.

The spelling of 56221235 in words is "fifty-six million, two hundred twenty-one thousand, two hundred thirty-five".