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56527057 = 173325121
BaseRepresentation
bin1101011110100…
…0100011010001
310221100212112201
43113220203101
5103432331212
65335323201
71254320626
oct327504321
9127325481
1056527057
11299a9684
1216b20501
13b932282
14771634d
154e68b57
hex35e88d1

56527057 has 4 divisors (see below), whose sum is σ = 59852196. Its totient is φ = 53201920.

The previous prime is 56527027. The next prime is 56527087. The reversal of 56527057 is 75072565.

56527057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75072565 = 515014513.

It is an interprime number because it is at equal distance from previous prime (56527027) and next prime (56527087).

It can be written as a sum of positive squares in 2 ways, for example, as 21492496 + 35034561 = 4636^2 + 5919^2 .

It is a cyclic number.

It is not a de Polignac number, because 56527057 - 27 = 56526929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56527027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1662544 + ... + 1662577.

It is an arithmetic number, because the mean of its divisors is an integer number (14963049).

Almost surely, 256527057 is an apocalyptic number.

It is an amenable number.

56527057 is a deficient number, since it is larger than the sum of its proper divisors (3325139).

56527057 is a wasteful number, since it uses less digits than its factorization.

56527057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325138.

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 56527057 is about 7518.4477786309. The cubic root of 56527057 is about 383.7827569855.

The spelling of 56527057 in words is "fifty-six million, five hundred twenty-seven thousand, fifty-seven".

Divisors: 1 17 3325121 56527057