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55119471 = 3111670287
BaseRepresentation
bin1101001001000…
…0111001101111
310211201100200220
43102100321233
5103102310341
65245222423
71236336111
oct322207157
9124640626
1055119471
1129128090
1216561a13
13b55b694
14746b3b1
154c8ba66
hex3490e6f

55119471 has 8 divisors (see below), whose sum is σ = 80173824. Its totient is φ = 33405720.

The previous prime is 55119469. The next prime is 55119473. The reversal of 55119471 is 17491155.

It is an interprime number because it is at equal distance from previous prime (55119469) and next prime (55119473).

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

It is not a de Polignac number, because 55119471 - 21 = 55119469 is a prime.

It is a super-3 number, since 3×551194713 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1670287 = 55119471 / (5 + 5 + 1 + 1 + 9 + 4 + 7 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55119473) 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, 835111 + ... + 835176.

It is an arithmetic number, because the mean of its divisors is an integer number (10021728).

Almost surely, 255119471 is an apocalyptic number.

55119471 is a deficient number, since it is larger than the sum of its proper divisors (25054353).

55119471 is a wasteful number, since it uses less digits than its factorization.

55119471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670301.

The product of its digits is 6300, while the sum is 33.

The square root of 55119471 is about 7424.2488508939. The cubic root of 55119471 is about 380.5704060492.

The spelling of 55119471 in words is "fifty-five million, one hundred nineteen thousand, four hundred seventy-one".

Divisors: 1 3 11 33 1670287 5010861 18373157 55119471