56306224 has 40 divisors (see below), whose sum is σ = 117947312. Its totient is φ = 25885440.

The previous prime is 56306213. The next prime is 56306251. The reversal of 56306224 is 42260365.

It is a happy number.

It is a super-2 number, since 2×56306224² = 6340781722276352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56306192 and 56306201.

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, 87247 + ... + 87889.

Almost surely, 2^56306224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56306224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58973656).

56306224 is an abundant number, since it is smaller than the sum of its proper divisors (61641088).

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

56306224 is a wasteful number, since it uses less digits than its factorization.

56306224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 56306224 is about 7503.7473305009. The cubic root of 56306224 is about 383.2823328915.

Adding to 56306224 its reverse (42260365), we get a palindrome (98566589).

The spelling of 56306224 in words is "fifty-six million, three hundred six thousand, two hundred twenty-four".