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55175379 = 372627399
BaseRepresentation
bin1101001001111…
…0100011010011
310211211012101120
43102132203103
5103111103004
65250333323
71236661110
oct322364323
9124735346
1055175379
1129166096
121658a243
13b57ac6c
147483907
154c9d3d9
hex349e8d3

55175379 has 8 divisors (see below), whose sum is σ = 84076800. Its totient is φ = 31528776.

The previous prime is 55175377. The next prime is 55175389. The reversal of 55175379 is 97357155.

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

It is not a de Polignac number, because 55175379 - 21 = 55175377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55175379.

It is not an unprimeable number, because it can be changed into a prime (55175377) 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, 1313679 + ... + 1313720.

It is an arithmetic number, because the mean of its divisors is an integer number (10509600).

Almost surely, 255175379 is an apocalyptic number.

55175379 is a deficient number, since it is larger than the sum of its proper divisors (28901421).

55175379 is a wasteful number, since it uses less digits than its factorization.

55175379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627409.

The product of its digits is 165375, while the sum is 42.

The square root of 55175379 is about 7428.0131259981. The cubic root of 55175379 is about 380.6990341617.

The spelling of 55175379 in words is "fifty-five million, one hundred seventy-five thousand, three hundred seventy-nine".

Divisors: 1 3 7 21 2627399 7882197 18391793 55175379