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55076945 = 5711294933
BaseRepresentation
bin1101001000011…
…0100001010001
310211122012100212
43102012201101
5103044430240
65244253505
71236101120
oct322064121
9124565325
1055076945
11290a9140
1216541295
13b545211
147459ab7
154c7e165
hex3486851

55076945 has 32 divisors (see below), whose sum is σ = 85259520. Its totient is φ = 33143040.

The previous prime is 55076939. The next prime is 55076963. The reversal of 55076945 is 54967055.

It is not a de Polignac number, because 55076945 - 24 = 55076929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8699 + ... + 13631.

It is an arithmetic number, because the mean of its divisors is an integer number (2664360).

Almost surely, 255076945 is an apocalyptic number.

55076945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55076945 is a deficient number, since it is larger than the sum of its proper divisors (30182575).

55076945 is a wasteful number, since it uses less digits than its factorization.

55076945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 55076945 is about 7421.3843048315. The cubic root of 55076945 is about 380.4725077885.

The spelling of 55076945 in words is "fifty-five million, seventy-six thousand, nine hundred forty-five".

Divisors: 1 5 7 11 29 35 55 77 145 203 319 385 1015 1595 2233 4933 11165 24665 34531 54263 143057 172655 271315 379841 715285 1001399 1573627 1899205 5006995 7868135 11015389 55076945