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56255789 = 198393529
BaseRepresentation
bin1101011010011…
…0010100101101
310220212002102202
43112212110231
5103400141124
65325431245
71252111022
oct326462455
9126762382
1056255789
1129833897
1216a0b525
13b868965
147685549
154e135ae
hex35a652d

56255789 has 8 divisors (see below), whose sum is σ = 59304000. Its totient is φ = 53216352.

The previous prime is 56255783. The next prime is 56255791. The reversal of 56255789 is 98755265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56255789 - 212 = 56251693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56255783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14177 + ... + 17705.

It is an arithmetic number, because the mean of its divisors is an integer number (7413000).

Almost surely, 256255789 is an apocalyptic number.

It is an amenable number.

56255789 is a deficient number, since it is larger than the sum of its proper divisors (3048211).

56255789 is a wasteful number, since it uses less digits than its factorization.

56255789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387.

The product of its digits is 756000, while the sum is 47.

The square root of 56255789 is about 7500.3859234042. The cubic root of 56255789 is about 383.1678599394.

The spelling of 56255789 in words is "fifty-six million, two hundred fifty-five thousand, seven hundred eighty-nine".

Divisors: 1 19 839 3529 15941 67051 2960831 56255789