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54555029 = 181301409
BaseRepresentation
bin1101000000011…
…1000110010101
310210122200102122
43100013012111
5102431230104
65225145325
71231465364
oct320070625
9123580378
1054555029
1128882001
121632b245
13b3c17a9
1473617db
154bc96be
hex3407195

54555029 has 4 divisors (see below), whose sum is σ = 54856620. Its totient is φ = 54253440.

The previous prime is 54555019. The next prime is 54555041. The reversal of 54555029 is 92055545.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9302500 + 45252529 = 3050^2 + 6727^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54555029 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 54555029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54555019) 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, 150524 + ... + 150885.

It is an arithmetic number, because the mean of its divisors is an integer number (13714155).

Almost surely, 254555029 is an apocalyptic number.

It is an amenable number.

54555029 is a deficient number, since it is larger than the sum of its proper divisors (301591).

54555029 is a wasteful number, since it uses less digits than its factorization.

54555029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301590.

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 54555029 is about 7386.1376239548. The cubic root of 54555029 is about 379.2668898904.

The spelling of 54555029 in words is "fifty-four million, five hundred fifty-five thousand, twenty-nine".

Divisors: 1 181 301409 54555029