56221848 has 48 divisors (see below), whose sum is σ = 157185600. Its totient is φ = 18135360.

The previous prime is 56221843. The next prime is 56221849. The reversal of 56221848 is 84812265.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56221843) 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, 10363 + ... + 14826.

It is an arithmetic number, because the mean of its divisors is an integer number (3274700).

Almost surely, 2^56221848 is an apocalyptic number.

It is an amenable number.

56221848 is an abundant number, since it is smaller than the sum of its proper divisors (100963752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56221848 is a wasteful number, since it uses less digits than its factorization.

56221848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25232 (or 25225 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 56221848 is about 7498.1229651160. The cubic root of 56221848 is about 383.0907851061.

The spelling of 56221848 in words is "fifty-six million, two hundred twenty-one thousand, eight hundred forty-eight".