56755116 has 72 divisors (see below), whose sum is σ = 157405248. Its totient is φ = 17100000.

The previous prime is 56755087. The next prime is 56755123. The reversal of 56755116 is 61155765.

It is a super-2 number, since 2×56755116² = 6442286384346912, which contains 22 as substring.

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

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 23 ways as a sum of consecutive naturals, for example, 99111 + ... + 99681.

It is an arithmetic number, because the mean of its divisors is an integer number (2186184).

Almost surely, 2^56755116 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 56755116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78702624).

56755116 is an abundant number, since it is smaller than the sum of its proper divisors (100650132).

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

56755116 is a wasteful number, since it uses less digits than its factorization.

56755116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843 (or 838 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 56755116 is about 7533.5991398534. The cubic root of 56755116 is about 384.2981896092.

The spelling of 56755116 in words is "fifty-six million, seven hundred fifty-five thousand, one hundred sixteen".