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55411427 = 522710601
BaseRepresentation
bin1101001101100…
…0001011100011
310212021012012002
43103120023203
5103141131202
65255354215
71241663231
oct323301343
9125235162
1055411427
1129307475
121668296b
13b631536
147505951
154ce8302
hex34d82e3

55411427 has 4 divisors (see below), whose sum is σ = 55427256. Its totient is φ = 55395600.

The previous prime is 55411403. The next prime is 55411441. The reversal of 55411427 is 72411455.

55411427 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: 72411455 = 514482291.

It is a cyclic number.

It is not a de Polignac number, because 55411427 - 28 = 55411171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55411427.

It is not an unprimeable number, because it can be changed into a prime (55411457) 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, 74 + ... + 10527.

It is an arithmetic number, because the mean of its divisors is an integer number (13856814).

Almost surely, 255411427 is an apocalyptic number.

55411427 is a deficient number, since it is larger than the sum of its proper divisors (15829).

55411427 is a wasteful number, since it uses less digits than its factorization.

55411427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15828.

The product of its digits is 5600, while the sum is 29.

The square root of 55411427 is about 7443.8852086797. The cubic root of 55411427 is about 381.2411564015.

The spelling of 55411427 in words is "fifty-five million, four hundred eleven thousand, four hundred twenty-seven".

Divisors: 1 5227 10601 55411427