56047320 has 192 divisors, whose sum is σ = 217451520. Its totient is φ = 12241152.

The previous prime is 56047319. The next prime is 56047337. The reversal of 56047320 is 2374065.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57477 + ... + 58443.

It is an arithmetic number, because the mean of its divisors is an integer number (1132560).

Almost surely, 2^56047320 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 56047320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108725760).

56047320 is an abundant number, since it is smaller than the sum of its proper divisors (161404200).

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

56047320 is a wasteful number, since it uses less digits than its factorization.

56047320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 56047320 is about 7486.4758064125. The cubic root of 56047320 is about 382.6939680058.

The spelling of 56047320 in words is "fifty-six million, forty-seven thousand, three hundred twenty".