56709120 has 208 divisors, whose sum is σ = 198156672. Its totient is φ = 13762560.

The previous prime is 56709113. The next prime is 56709139. The reversal of 56709120 is 2190765.

It is a tau number, because it is divible by the number of its divisors (208).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 798685 + ... + 798755.

Almost surely, 2^56709120 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 56709120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99078336).

56709120 is an abundant number, since it is smaller than the sum of its proper divisors (141447552).

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

56709120 is a wasteful number, since it uses less digits than its factorization.

56709120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 56709120 is about 7530.5457969526. The cubic root of 56709120 is about 384.1943460674.

Adding to 56709120 its reverse (2190765), we get a palindrome (58899885).

The spelling of 56709120 in words is "fifty-six million, seven hundred nine thousand, one hundred twenty".