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55875271 = 431129641
BaseRepresentation
bin1101010100100…
…1011011000111
310220010202110111
43111021123013
5103301002041
65313333451
71245634444
oct325113307
9126122414
1055875271
11295a3a11
1216867287
13b7646ba
1475c69cb
154d8a981
hex35496c7

55875271 has 4 divisors (see below), whose sum is σ = 56005344. Its totient is φ = 55745200.

The previous prime is 55875247. The next prime is 55875283. The reversal of 55875271 is 17257855.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55875271 - 219 = 55350983 is a prime.

It is a super-3 number, since 3×558752713 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55875221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64390 + ... + 65251.

It is an arithmetic number, because the mean of its divisors is an integer number (14001336).

Almost surely, 255875271 is an apocalyptic number.

55875271 is a deficient number, since it is larger than the sum of its proper divisors (130073).

55875271 is a wasteful number, since it uses less digits than its factorization.

55875271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130072.

The product of its digits is 98000, while the sum is 40.

The square root of 55875271 is about 7474.9763210327. The cubic root of 55875271 is about 382.3019801778.

The spelling of 55875271 in words is "fifty-five million, eight hundred seventy-five thousand, two hundred seventy-one".

Divisors: 1 431 129641 55875271