56221796 has 12 divisors (see below), whose sum is σ = 101047548. Its totient is φ = 27351072.

The previous prime is 56221787. The next prime is 56221801. The reversal of 56221796 is 69712265.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44222500 + 11999296 = 6650^2 + 3464^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189791 + ... + 190086.

It is an arithmetic number, because the mean of its divisors is an integer number (8420629).

Almost surely, 2^56221796 is an apocalyptic number.

It is an amenable number.

56221796 is a deficient number, since it is larger than the sum of its proper divisors (44825752).

56221796 is a wasteful number, since it uses less digits than its factorization.

56221796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379918 (or 379916 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 56221796 is about 7498.1194975807. The cubic root of 56221796 is about 383.0906669982.

The spelling of 56221796 in words is "fifty-six million, two hundred twenty-one thousand, seven hundred ninety-six".