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55145876 = 2213786469
BaseRepresentation
bin1101001001011…
…1010110010100
310211202200220212
43102113112110
5103104132001
65245544552
71236506102
oct322272624
9124680825
1055145876
1129145a05
1216575158
13b56a6c6
147476c72
154c947bb
hex3497594

55145876 has 6 divisors (see below), whose sum is σ = 96505290. Its totient is φ = 27572936.

The previous prime is 55145843. The next prime is 55145911. The reversal of 55145876 is 67854155.

55145876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 55145476 + 400 = 7426^2 + 20^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6893231 + ... + 6893238.

It is an arithmetic number, because the mean of its divisors is an integer number (16084215).

Almost surely, 255145876 is an apocalyptic number.

It is an amenable number.

55145876 is a deficient number, since it is larger than the sum of its proper divisors (41359414).

55145876 is a wasteful number, since it uses less digits than its factorization.

55145876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13786473 (or 13786471 counting only the distinct ones).

The product of its digits is 168000, while the sum is 41.

The square root of 55145876 is about 7426.0269323508. The cubic root of 55145876 is about 380.6311671388.

The spelling of 55145876 in words is "fifty-five million, one hundred forty-five thousand, eight hundred seventy-six".

Divisors: 1 2 4 13786469 27572938 55145876