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55075803 = 3102117981
BaseRepresentation
bin1101001000011…
…0001111011011
310211122010210120
43102012033123
5103044411203
65244244323
71236064566
oct322061733
9124563716
1055075803
11290a82a2
12165406a3
13b544843
1474594dd
154c7db53
hex34863db

55075803 has 8 divisors (see below), whose sum is σ = 73510416. Its totient is φ = 36679200.

The previous prime is 55075763. The next prime is 55075849. The reversal of 55075803 is 30857055.

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

It is not a de Polignac number, because 55075803 - 212 = 55071707 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (55075873) 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, 5928 + ... + 12053.

It is an arithmetic number, because the mean of its divisors is an integer number (9188802).

Almost surely, 255075803 is an apocalyptic number.

55075803 is a deficient number, since it is larger than the sum of its proper divisors (18434613).

55075803 is a wasteful number, since it uses less digits than its factorization.

55075803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19005.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 55075803 is about 7421.3073646090. The cubic root of 55075803 is about 380.4698781183.

The spelling of 55075803 in words is "fifty-five million, seventy-five thousand, eight hundred three".

Divisors: 1 3 1021 3063 17981 53943 18358601 55075803