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55258030 = 255525803
BaseRepresentation
bin1101001011001…
…0101110101110
310211222101202201
43102302232232
5103121224110
65252212114
71240454062
oct322625656
9124871681
1055258030
11292121a3
121660a03a
13b5a9779
1474a5aa2
154cb7b3a
hex34b2bae

55258030 has 8 divisors (see below), whose sum is σ = 99464472. Its totient is φ = 22103208.

The previous prime is 55258013. The next prime is 55258039. The reversal of 55258030 is 3085255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55258030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55258039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2762892 + ... + 2762911.

It is an arithmetic number, because the mean of its divisors is an integer number (12433059).

Almost surely, 255258030 is an apocalyptic number.

55258030 is a deficient number, since it is larger than the sum of its proper divisors (44206442).

55258030 is a wasteful number, since it uses less digits than its factorization.

55258030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525810.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 55258030 is about 7433.5745102878. The cubic root of 55258030 is about 380.8890310904.

The spelling of 55258030 in words is "fifty-five million, two hundred fifty-eight thousand, thirty".

Divisors: 1 2 5 10 5525803 11051606 27629015 55258030