56857416953220 has 144 divisors (see below), whose sum is σ = 190053629717952. Its totient is φ = 13670191100160.

The previous prime is 56857416953213. The next prime is 56857416953243. The reversal of 56857416953220 is 2235961475865.

56857416953220 is a `hidden beast` number, since 5 + 6 + 8 + 5 + 74 + 1 + 6 + 9 + 532 + 20 = 666.

56857416953220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 282434746 + ... + 282635985.

It is a 1-persistent number, because it is pandigital, but 2⋅56857416953220 = 113714833906440 is not.

Almost surely, 2^{56857416953220} is an apocalyptic number.

It is an amenable number.

56857416953220 is an abundant number, since it is smaller than the sum of its proper divisors (133196212764732).

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

56857416953220 is a wasteful number, since it uses less digits than its factorization.

56857416953220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565070802 (or 565070797 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 63.

The spelling of 56857416953220 in words is "fifty-six trillion, eight hundred fifty-seven billion, four hundred sixteen million, nine hundred fifty-three thousand, two hundred twenty".