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56523125 = 5490437
BaseRepresentation
bin1101011110011…
…1100101110101
310221100200011002
43113213211311
5103432220000
65335253045
71254303311
oct327474565
9127320132
1056523125
11299a672a
1216b1a185
13b930549
147714b41
154e678d5
hex35e7975

56523125 has 10 divisors (see below), whose sum is σ = 70632078. Its totient is φ = 45218000.

The previous prime is 56523101. The next prime is 56523163. The reversal of 56523125 is 52132565.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 31832164 + 24690961 = 5642^2 + 4969^2 .

It is not a de Polignac number, because 56523125 - 222 = 52328821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 44594 + ... + 45843.

Almost surely, 256523125 is an apocalyptic number.

It is an amenable number.

56523125 is a deficient number, since it is larger than the sum of its proper divisors (14108953).

56523125 is an frugal number, since it uses more digits than its factorization.

56523125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90457 (or 90442 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 56523125 is about 7518.1862839384. The cubic root of 56523125 is about 383.7738581863.

The spelling of 56523125 in words is "fifty-six million, five hundred twenty-three thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 90437 452185 2260925 11304625 56523125