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57353820056 = 2313551479039
BaseRepresentation
bin110101011010100011…
…011101011110011000
312111001002022221021122
4311122203131132120
51414430034220211
642203055224412
74100165266241
oct653243353630
9174032287248
1057353820056
1122361810995
12b147818108
135540468840
142ac126dcc8
15175a29e6db
hexd5a8dd798

57353820056 has 16 divisors (see below), whose sum is σ = 115810598400. Its totient is φ = 26470993824.

The previous prime is 57353820053. The next prime is 57353820059. The reversal of 57353820056 is 65002835375.

It is an interprime number because it is at equal distance from previous prime (57353820053) and next prime (57353820059).

It is a junction number, because it is equal to n+sod(n) for n = 57353819989 and 57353820016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57353820053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275739416 + ... + 275739623.

It is an arithmetic number, because the mean of its divisors is an integer number (7238162400).

Almost surely, 257353820056 is an apocalyptic number.

It is an amenable number.

57353820056 is an abundant number, since it is smaller than the sum of its proper divisors (58456778344).

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

57353820056 is a wasteful number, since it uses less digits than its factorization.

57353820056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551479058 (or 551479054 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 57353820056 in words is "fifty-seven billion, three hundred fifty-three million, eight hundred twenty thousand, fifty-six".

Divisors: 1 2 4 8 13 26 52 104 551479039 1102958078 2205916156 4411832312 7169227507 14338455014 28676910028 57353820056