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55092155 = 5171993257
BaseRepresentation
bin1101001000101…
…0001110111011
310211122222020012
43102022032323
5103100422110
65244452135
71236163346
oct322121673
9124588205
1055092155
1129109608
121654a04b
13b54c111
14746145d
154c83905
hex348a3bb

55092155 has 16 divisors (see below), whose sum is σ = 70372800. Its totient is φ = 41260032.

The previous prime is 55092137. The next prime is 55092161. The reversal of 55092155 is 55129055.

It is a cyclic number.

It is not a de Polignac number, because 55092155 - 216 = 55026619 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15287 + ... + 18543.

It is an arithmetic number, because the mean of its divisors is an integer number (4398300).

Almost surely, 255092155 is an apocalyptic number.

55092155 is a deficient number, since it is larger than the sum of its proper divisors (15280645).

55092155 is a wasteful number, since it uses less digits than its factorization.

55092155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478.

The product of its (nonzero) digits is 11250, while the sum is 32.

The square root of 55092155 is about 7422.4089755281. The cubic root of 55092155 is about 380.5075282144.

The spelling of 55092155 in words is "fifty-five million, ninety-two thousand, one hundred fifty-five".

Divisors: 1 5 17 85 199 995 3257 3383 16285 16915 55369 276845 648143 3240715 11018431 55092155