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55015017 = 3434211013
BaseRepresentation
bin1101000111011…
…1011001101001
310211112001102020
43101313121221
5103040440032
65243055053
71235422431
oct321673151
9124461366
1055015017
1129066662
1216511489
13b522c85
1474412c1
154c6ab2c
hex3477669

55015017 has 16 divisors (see below), whose sum is σ = 75311808. Its totient is φ = 35703360.

The previous prime is 55014991. The next prime is 55015019. The reversal of 55015017 is 71051055.

It is not a de Polignac number, because 55015017 - 28 = 55014761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55015019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53803 + ... + 54815.

It is an arithmetic number, because the mean of its divisors is an integer number (4706988).

Almost surely, 255015017 is an apocalyptic number.

It is an amenable number.

55015017 is a deficient number, since it is larger than the sum of its proper divisors (20296791).

55015017 is a wasteful number, since it uses less digits than its factorization.

55015017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480.

The product of its (nonzero) digits is 875, while the sum is 24.

The square root of 55015017 is about 7417.2108639299. The cubic root of 55015017 is about 380.3298544036.

The spelling of 55015017 in words is "fifty-five million, fifteen thousand, seventeen".

Divisors: 1 3 43 129 421 1013 1263 3039 18103 43559 54309 130677 426473 1279419 18338339 55015017