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54492719 = 478311393
BaseRepresentation
bin1100111111011…
…1111000101111
310210112111221212
43033313320233
5102422231334
65223545035
71231115621
oct317677057
9123474855
1054492719
112883a206
12162bb17b
13b39c318
147346c11
154bb5ece
hex33f7e2f

54492719 has 4 divisors (see below), whose sum is σ = 54508896. Its totient is φ = 54476544.

The previous prime is 54492679. The next prime is 54492733. The reversal of 54492719 is 91729445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54492719 - 220 = 53444143 is a prime.

It is a super-2 number, since 2×544927192 = 5938912848025922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54492799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914 + ... + 10479.

It is an arithmetic number, because the mean of its divisors is an integer number (13627224).

Almost surely, 254492719 is an apocalyptic number.

54492719 is a deficient number, since it is larger than the sum of its proper divisors (16177).

54492719 is a wasteful number, since it uses less digits than its factorization.

54492719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16176.

The product of its digits is 90720, while the sum is 41.

The square root of 54492719 is about 7381.9183821010. The cubic root of 54492719 is about 379.1224417176.

The spelling of 54492719 in words is "fifty-four million, four hundred ninety-two thousand, seven hundred nineteen".

Divisors: 1 4783 11393 54492719