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55075497 = 359615101
BaseRepresentation
bin1101001000011…
…0001010101001
310211122010101020
43102012022221
5103044403442
65244243053
71236063651
oct322061251
9124563336
1055075497
11290a8044
1216540489
13b544669
147459361
154c7d9ec
hex34862a9

55075497 has 16 divisors (see below), whose sum is σ = 75917760. Its totient is φ = 35496000.

The previous prime is 55075483. The next prime is 55075511. The reversal of 55075497 is 79457055.

It is an interprime number because it is at equal distance from previous prime (55075483) and next prime (55075511).

It is not a de Polignac number, because 55075497 - 214 = 55059113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55075417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8247 + ... + 13347.

It is an arithmetic number, because the mean of its divisors is an integer number (4744860).

Almost surely, 255075497 is an apocalyptic number.

It is an amenable number.

55075497 is a deficient number, since it is larger than the sum of its proper divisors (20842263).

55075497 is a wasteful number, since it uses less digits than its factorization.

55075497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224.

The product of its (nonzero) digits is 220500, while the sum is 42.

The square root of 55075497 is about 7421.2867482668. The cubic root of 55075497 is about 380.4691734895.

The spelling of 55075497 in words is "fifty-five million, seventy-five thousand, four hundred ninety-seven".

Divisors: 1 3 59 61 177 183 3599 5101 10797 15303 300959 311161 902877 933483 18358499 55075497