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55134069 = 379723059
BaseRepresentation
bin1101001001010…
…0011101110101
310211202002201120
43102110131311
5103103242234
65245414153
71236426504
oct322243565
9124662646
1055134069
1129138051
121656a359
13b565213
14747283b
154c91049
hex3494775

55134069 has 8 divisors (see below), whose sum is σ = 73607520. Its totient is φ = 36708336.

The previous prime is 55134031. The next prime is 55134071. The reversal of 55134069 is 96043155.

It is a happy number.

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

It is not a de Polignac number, because 55134069 - 212 = 55129973 is a prime.

It is a super-2 number, since 2×551340692 = 6079531128993522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55134019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9139 + ... + 13920.

It is an arithmetic number, because the mean of its divisors is an integer number (9200940).

Almost surely, 255134069 is an apocalyptic number.

It is an amenable number.

55134069 is a deficient number, since it is larger than the sum of its proper divisors (18473451).

55134069 is a wasteful number, since it uses less digits than its factorization.

55134069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23859.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 55134069 is about 7425.2319155700. The cubic root of 55134069 is about 380.6040002057.

The spelling of 55134069 in words is "fifty-five million, one hundred thirty-four thousand, sixty-nine".

Divisors: 1 3 797 2391 23059 69177 18378023 55134069