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55419001 = 115038091
BaseRepresentation
bin1101001101101…
…0000001111001
310212021120120121
43103122001321
5103141402001
65255453241
71242024301
oct323320171
9125246517
1055419001
1129312130
1216687221
13b634b11
147508601
154cea6a1
hex34da079

55419001 has 4 divisors (see below), whose sum is σ = 60457104. Its totient is φ = 50380900.

The previous prime is 55418989. The next prime is 55419011. The reversal of 55419001 is 10091455.

55419001 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 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 55419001 - 219 = 54894713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55419011) 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, 2519035 + ... + 2519056.

It is an arithmetic number, because the mean of its divisors is an integer number (15114276).

Almost surely, 255419001 is an apocalyptic number.

It is an amenable number.

55419001 is a deficient number, since it is larger than the sum of its proper divisors (5038103).

55419001 is a wasteful number, since it uses less digits than its factorization.

55419001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038102.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 55419001 is about 7444.3939310061. The cubic root of 55419001 is about 381.2585257970.

The spelling of 55419001 in words is "fifty-five million, four hundred nineteen thousand, one".

Divisors: 1 11 5038091 55419001