56717760 has 224 divisors, whose sum is σ = 202777344. Its totient is φ = 13312000.

The previous prime is 56717741. The next prime is 56717779. The reversal of 56717760 is 6771765.

It is an interprime number because it is at equal distance from previous prime (56717741) and next prime (56717779).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432895 + ... + 433025.

It is an arithmetic number, because the mean of its divisors is an integer number (905256).

Almost surely, 2^56717760 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 56717760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101388672).

56717760 is an abundant number, since it is smaller than the sum of its proper divisors (146059584).

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

56717760 is a wasteful number, since it uses less digits than its factorization.

56717760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 56717760 is about 7531.1194387023. The cubic root of 56717760 is about 384.2138565717.

It can be divided in two parts, 5671 and 7760, that added together give a palindrome (13431).

The spelling of 56717760 in words is "fifty-six million, seven hundred seventeen thousand, seven hundred sixty".