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56254561 = 115114051
BaseRepresentation
bin1101011010011…
…0000001100001
310220212000202021
43112212001201
5103400121221
65325421441
71252104316
oct326460141
9126760667
1056254561
1129832980
1216a0a881
13b86822c
147684d0d
154e13041
hex35a6061

56254561 has 4 divisors (see below), whose sum is σ = 61368624. Its totient is φ = 51140500.

The previous prime is 56254559. The next prime is 56254589. The reversal of 56254561 is 16545265.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56254561 - 21 = 56254559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56254511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2557015 + ... + 2557036.

It is an arithmetic number, because the mean of its divisors is an integer number (15342156).

Almost surely, 256254561 is an apocalyptic number.

It is an amenable number.

56254561 is a deficient number, since it is larger than the sum of its proper divisors (5114063).

56254561 is a wasteful number, since it uses less digits than its factorization.

56254561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114062.

The product of its digits is 36000, while the sum is 34.

The square root of 56254561 is about 7500.3040605031. The cubic root of 56254561 is about 383.1650718793.

The spelling of 56254561 in words is "fifty-six million, two hundred fifty-four thousand, five hundred sixty-one".

Divisors: 1 11 5114051 56254561