56756868 has 48 divisors (see below), whose sum is σ = 151724160.
Its totient is φ = 16176384.
The previous prime is 56756867. The next prime is 56756891. The reversal of 56756868 is 86865765.
It is a self number, because there is not a number n which added to its sum of digits gives 56756868.
It is not an unprimeable number, because it can be changed into a prime (56756867) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59080 + ... + 60032.
It is an arithmetic number, because the mean of its divisors is an integer number (3160920).
Almost surely, 256756868 is an apocalyptic number.
It is an amenable number.
56756868 is an abundant number, since it is smaller than the sum of its proper divisors (94967292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56756868 is a wasteful number, since it uses less digits than its factorization.
56756868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1676 (or 1674 counting only the distinct ones).
The product of its digits is 2419200, while the sum is 51.
The square root of 56756868 is about 7533.7154180391.
The cubic root of 56756868 is about 384.3021439282.
The spelling of 56756868 in words is "fifty-six million, seven hundred fifty-six thousand, eight hundred sixty-eight".