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55075071 = 368326879
BaseRepresentation
bin1101001000011…
…0000011111111
310211122002210110
43102012003333
5103044400241
65244241103
71236062502
oct322060377
9124562713
1055075071
11290a7797
1216540193
13b5443cc
147459139
154c7d816
hex34860ff

55075071 has 8 divisors (see below), whose sum is σ = 73543680. Its totient is φ = 36661592.

The previous prime is 55075061. The next prime is 55075081. The reversal of 55075071 is 17057055.

It is an interprime number because it is at equal distance from previous prime (55075061) and next prime (55075081).

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

It is a cyclic number.

It is not a de Polignac number, because 55075071 - 211 = 55073023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55075001) 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, 11391 + ... + 15488.

It is an arithmetic number, because the mean of its divisors is an integer number (9192960).

Almost surely, 255075071 is an apocalyptic number.

55075071 is a deficient number, since it is larger than the sum of its proper divisors (18468609).

55075071 is a wasteful number, since it uses less digits than its factorization.

55075071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27565.

The product of its (nonzero) digits is 6125, while the sum is 30.

The square root of 55075071 is about 7421.2580469891. The cubic root of 55075071 is about 380.4681925312.

The spelling of 55075071 in words is "fifty-five million, seventy-five thousand, seventy-one".

Divisors: 1 3 683 2049 26879 80637 18358357 55075071